Home / 31,787,470.98-47,672,669.72-8,752,921.43

Finding the Fourth Proportional to 31,787,470.98, 47,672,669.72 and 8,752,921.43

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Solution

The fourth proportional to 31,787,470.98, 47,672,669.72 and 8,752,921.43 is: 13,127,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,787,470.98 : 47,672,669.72 = 8,752,921.43 : x
  2. Step 2: Convert to fraction form
    31,787,470.98/47,672,669.72 = 8,752,921.43/x
  3. Step 3: Cross multiply
    31,787,470.98x = 47,672,669.72 × 8,752,921.43
  4. Step 4: Simplify right side
    31,787,470.98x = 417,275,132,135,372.19
  5. Step 5: Solve for x
    x = 417,275,132,135,372.19/31,787,470.98
  6. Step 6: Final answer
    x = 13,127,031.48

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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.