Home / 28,773,798.17-39,707,372.26-15,720,776.15

Finding the Fourth Proportional to 28,773,798.17, 39,707,372.26 and 15,720,776.15

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Solution

The fourth proportional to 28,773,798.17, 39,707,372.26 and 15,720,776.15 is: 21,694,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773,798.17 : 39,707,372.26 = 15,720,776.15 : x
  2. Step 2: Convert to fraction form
    28,773,798.17/39,707,372.26 = 15,720,776.15/x
  3. Step 3: Cross multiply
    28,773,798.17x = 39,707,372.26 × 15,720,776.15
  4. Step 4: Simplify right side
    28,773,798.17x = 624,230,710,725,575.75
  5. Step 5: Solve for x
    x = 624,230,710,725,575.75/28,773,798.17
  6. Step 6: Final answer
    x = 21,694,414.73

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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.