Home / 12,915,691.92-17,823,570.48-7,114,338.72

Finding the Fourth Proportional to 12,915,691.92, 17,823,570.48 and 7,114,338.72

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Solution

The fourth proportional to 12,915,691.92, 17,823,570.48 and 7,114,338.72 is: 9,817,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,691.92 : 17,823,570.48 = 7,114,338.72 : x
  2. Step 2: Convert to fraction form
    12,915,691.92/17,823,570.48 = 7,114,338.72/x
  3. Step 3: Cross multiply
    12,915,691.92x = 17,823,570.48 × 7,114,338.72
  4. Step 4: Simplify right side
    12,915,691.92x = 126,802,917,594,512.98
  5. Step 5: Solve for x
    x = 126,802,917,594,512.98/12,915,691.92
  6. Step 6: Final answer
    x = 9,817,740.96

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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.