Home / 21,332,459.90-32,073,339.45-20,884,562.30

Finding the Fourth Proportional to 21,332,459.90, 32,073,339.45 and 20,884,562.30

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Solution

The fourth proportional to 21,332,459.90, 32,073,339.45 and 20,884,562.30 is: 31,399,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332,459.90 : 32,073,339.45 = 20,884,562.30 : x
  2. Step 2: Convert to fraction form
    21,332,459.90/32,073,339.45 = 20,884,562.30/x
  3. Step 3: Cross multiply
    21,332,459.90x = 32,073,339.45 × 20,884,562.30
  4. Step 4: Simplify right side
    21,332,459.90x = 669,837,655,912,572.75
  5. Step 5: Solve for x
    x = 669,837,655,912,572.75/21,332,459.90
  6. Step 6: Final answer
    x = 31,399,925.70

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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.