Home / 7,874,998.20-11,812,497.30-6,615,286.20

Finding the Fourth Proportional to 7,874,998.20, 11,812,497.30 and 6,615,286.20

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Solution

The fourth proportional to 7,874,998.20, 11,812,497.30 and 6,615,286.20 is: 9,922,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874,998.20 : 11,812,497.30 = 6,615,286.20 : x
  2. Step 2: Convert to fraction form
    7,874,998.20/11,812,497.30 = 6,615,286.20/x
  3. Step 3: Cross multiply
    7,874,998.20x = 11,812,497.30 × 6,615,286.20
  4. Step 4: Simplify right side
    7,874,998.20x = 78,143,050,376,227.27
  5. Step 5: Solve for x
    x = 78,143,050,376,227.27/7,874,998.20
  6. Step 6: Final answer
    x = 9,922,929.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.