Home / 20,502,498.20-30,753,747.30-16,521,186.20

Finding the Fourth Proportional to 20,502,498.20, 30,753,747.30 and 16,521,186.20

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Solution

The fourth proportional to 20,502,498.20, 30,753,747.30 and 16,521,186.20 is: 24,781,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502,498.20 : 30,753,747.30 = 16,521,186.20 : x
  2. Step 2: Convert to fraction form
    20,502,498.20/30,753,747.30 = 16,521,186.20/x
  3. Step 3: Cross multiply
    20,502,498.20x = 30,753,747.30 × 16,521,186.20
  4. Step 4: Simplify right side
    20,502,498.20x = 508,088,385,491,047.25
  5. Step 5: Solve for x
    x = 508,088,385,491,047.25/20,502,498.20
  6. Step 6: Final answer
    x = 24,781,779.30

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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.