Home / 19,701,286.20-29,551,929.30-12,143,014.20

Finding the Fourth Proportional to 19,701,286.20, 29,551,929.30 and 12,143,014.20

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Solution

The fourth proportional to 19,701,286.20, 29,551,929.30 and 12,143,014.20 is: 18,214,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701,286.20 : 29,551,929.30 = 12,143,014.20 : x
  2. Step 2: Convert to fraction form
    19,701,286.20/29,551,929.30 = 12,143,014.20/x
  3. Step 3: Cross multiply
    19,701,286.20x = 29,551,929.30 × 12,143,014.20
  4. Step 4: Simplify right side
    19,701,286.20x = 358,849,497,127,296.06
  5. Step 5: Solve for x
    x = 358,849,497,127,296.06/19,701,286.20
  6. Step 6: Final answer
    x = 18,214,521.30

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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.