Home / 36,031,414.96-49,726,909.29-20,563,813.72

Finding the Fourth Proportional to 36,031,414.96, 49,726,909.29 and 20,563,813.72

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Solution

The fourth proportional to 36,031,414.96, 49,726,909.29 and 20,563,813.72 is: 28,380,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,031,414.96 : 49,726,909.29 = 20,563,813.72 : x
  2. Step 2: Convert to fraction form
    36,031,414.96/49,726,909.29 = 20,563,813.72/x
  3. Step 3: Cross multiply
    36,031,414.96x = 49,726,909.29 × 20,563,813.72
  4. Step 4: Simplify right side
    36,031,414.96x = 1,022,574,899,510,897.38
  5. Step 5: Solve for x
    x = 1,022,574,899,510,897.38/36,031,414.96
  6. Step 6: Final answer
    x = 28,380,092.78

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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.