Home / 8,085,281.70-12,127,922.55-5,805,990.30

Finding the Fourth Proportional to 8,085,281.70, 12,127,922.55 and 5,805,990.30

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Solution

The fourth proportional to 8,085,281.70, 12,127,922.55 and 5,805,990.30 is: 8,708,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,281.70 : 12,127,922.55 = 5,805,990.30 : x
  2. Step 2: Convert to fraction form
    8,085,281.70/12,127,922.55 = 5,805,990.30/x
  3. Step 3: Cross multiply
    8,085,281.70x = 12,127,922.55 × 5,805,990.30
  4. Step 4: Simplify right side
    8,085,281.70x = 70,414,600,684,451.27
  5. Step 5: Solve for x
    x = 70,414,600,684,451.27/8,085,281.70
  6. Step 6: Final answer
    x = 8,708,985.45

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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.