Home / 13,357,200.30-20,035,800.45-9,105,672.30

Finding the Fourth Proportional to 13,357,200.30, 20,035,800.45 and 9,105,672.30

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Solution

The fourth proportional to 13,357,200.30, 20,035,800.45 and 9,105,672.30 is: 13,658,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,200.30 : 20,035,800.45 = 9,105,672.30 : x
  2. Step 2: Convert to fraction form
    13,357,200.30/20,035,800.45 = 9,105,672.30/x
  3. Step 3: Cross multiply
    13,357,200.30x = 20,035,800.45 × 9,105,672.30
  4. Step 4: Simplify right side
    13,357,200.30x = 182,439,433,165,892.53
  5. Step 5: Solve for x
    x = 182,439,433,165,892.53/13,357,200.30
  6. Step 6: Final answer
    x = 13,658,508.45

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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.