Home / 39,491,057.76-59,242,897.50-12,190,933.59

Finding the Fourth Proportional to 39,491,057.76, 59,242,897.50 and 12,190,933.59

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Solution

The fourth proportional to 39,491,057.76, 59,242,897.50 and 12,190,933.59 is: 18,288,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,491,057.76 : 59,242,897.50 = 12,190,933.59 : x
  2. Step 2: Convert to fraction form
    39,491,057.76/59,242,897.50 = 12,190,933.59/x
  3. Step 3: Cross multiply
    39,491,057.76x = 59,242,897.50 × 12,190,933.59
  4. Step 4: Simplify right side
    39,491,057.76x = 722,226,229,101,677
  5. Step 5: Solve for x
    x = 722,226,229,101,677/39,491,057.76
  6. Step 6: Final answer
    x = 18,288,348.55

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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.