Home / 38,542,655.80-57,813,983.70-15,815,999.80

Finding the Fourth Proportional to 38,542,655.80, 57,813,983.70 and 15,815,999.80

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Solution

The fourth proportional to 38,542,655.80, 57,813,983.70 and 15,815,999.80 is: 23,723,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,542,655.80 : 57,813,983.70 = 15,815,999.80 : x
  2. Step 2: Convert to fraction form
    38,542,655.80/57,813,983.70 = 15,815,999.80/x
  3. Step 3: Cross multiply
    38,542,655.80x = 57,813,983.70 × 15,815,999.80
  4. Step 4: Simplify right side
    38,542,655.80x = 914,385,954,636,403.38
  5. Step 5: Solve for x
    x = 914,385,954,636,403.38/38,542,655.80
  6. Step 6: Final answer
    x = 23,723,999.70

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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.