Home / 10,542,214.60-15,813,321.90-6,231,200.20

Finding the Fourth Proportional to 10,542,214.60, 15,813,321.90 and 6,231,200.20

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Solution

The fourth proportional to 10,542,214.60, 15,813,321.90 and 6,231,200.20 is: 9,346,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542,214.60 : 15,813,321.90 = 6,231,200.20 : x
  2. Step 2: Convert to fraction form
    10,542,214.60/15,813,321.90 = 6,231,200.20/x
  3. Step 3: Cross multiply
    10,542,214.60x = 15,813,321.90 × 6,231,200.20
  4. Step 4: Simplify right side
    10,542,214.60x = 98,535,974,585,944.39
  5. Step 5: Solve for x
    x = 98,535,974,585,944.39/10,542,214.60
  6. Step 6: Final answer
    x = 9,346,800.30

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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.