Home / 25,372,131-35,013,558.78-13,769,691.72

Finding the Fourth Proportional to 25,372,131, 35,013,558.78 and 13,769,691.72

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Solution

The fourth proportional to 25,372,131, 35,013,558.78 and 13,769,691.72 is: 19,002,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,372,131 : 35,013,558.78 = 13,769,691.72 : x
  2. Step 2: Convert to fraction form
    25,372,131/35,013,558.78 = 13,769,691.72/x
  3. Step 3: Cross multiply
    25,372,131x = 35,013,558.78 × 13,769,691.72
  4. Step 4: Simplify right side
    25,372,131x = 482,125,910,420,699.31
  5. Step 5: Solve for x
    x = 482,125,910,420,699.31/25,372,131
  6. Step 6: Final answer
    x = 19,002,184.34

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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.