Home / 28,654,637-39,543,004.14-15,601,895.96

Finding the Fourth Proportional to 28,654,637, 39,543,004.14 and 15,601,895.96

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Solution

The fourth proportional to 28,654,637, 39,543,004.14 and 15,601,895.96 is: 21,530,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,654,637 : 39,543,004.14 = 15,601,895.96 : x
  2. Step 2: Convert to fraction form
    28,654,637/39,543,004.14 = 15,601,895.96/x
  3. Step 3: Cross multiply
    28,654,637x = 39,543,004.14 × 15,601,895.96
  4. Step 4: Simplify right side
    28,654,637x = 616,945,836,538,129.38
  5. Step 5: Solve for x
    x = 616,945,836,538,129.38/28,654,637
  6. Step 6: Final answer
    x = 21,530,401.40

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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.