Home / 21,443,332.20-32,164,998.30-20,398,237.80

Finding the Fourth Proportional to 21,443,332.20, 32,164,998.30 and 20,398,237.80

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Solution

The fourth proportional to 21,443,332.20, 32,164,998.30 and 20,398,237.80 is: 30,597,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443,332.20 : 32,164,998.30 = 20,398,237.80 : x
  2. Step 2: Convert to fraction form
    21,443,332.20/32,164,998.30 = 20,398,237.80/x
  3. Step 3: Cross multiply
    21,443,332.20x = 32,164,998.30 × 20,398,237.80
  4. Step 4: Simplify right side
    21,443,332.20x = 656,109,284,159,995.75
  5. Step 5: Solve for x
    x = 656,109,284,159,995.75/21,443,332.20
  6. Step 6: Final answer
    x = 30,597,356.70

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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.