Home / 21,443,333.70-32,165,000.55-20,398,239.30

Finding the Fourth Proportional to 21,443,333.70, 32,165,000.55 and 20,398,239.30

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Solution

The fourth proportional to 21,443,333.70, 32,165,000.55 and 20,398,239.30 is: 30,597,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443,333.70 : 32,165,000.55 = 20,398,239.30 : x
  2. Step 2: Convert to fraction form
    21,443,333.70/32,165,000.55 = 20,398,239.30/x
  3. Step 3: Cross multiply
    21,443,333.70x = 32,165,000.55 × 20,398,239.30
  4. Step 4: Simplify right side
    21,443,333.70x = 656,109,378,303,531.62
  5. Step 5: Solve for x
    x = 656,109,378,303,531.62/21,443,333.70
  6. Step 6: Final answer
    x = 30,597,358.95

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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.