Home / 20,581,544.12-28,435,892.27-17,516,458.15

Finding the Fourth Proportional to 20,581,544.12, 28,435,892.27 and 17,516,458.15

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Solution

The fourth proportional to 20,581,544.12, 28,435,892.27 and 17,516,458.15 is: 24,201,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581,544.12 : 28,435,892.27 = 17,516,458.15 : x
  2. Step 2: Convert to fraction form
    20,581,544.12/28,435,892.27 = 17,516,458.15/x
  3. Step 3: Cross multiply
    20,581,544.12x = 28,435,892.27 × 17,516,458.15
  4. Step 4: Simplify right side
    20,581,544.12x = 498,096,116,746,691.50
  5. Step 5: Solve for x
    x = 498,096,116,746,691.50/20,581,544.12
  6. Step 6: Final answer
    x = 24,201,105.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.