Home / 12,915,006.12-17,822,050.92-7,113,663

Finding the Fourth Proportional to 12,915,006.12, 17,822,050.92 and 7,113,663

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Solution

The fourth proportional to 12,915,006.12, 17,822,050.92 and 7,113,663 is: 9,816,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,006.12 : 17,822,050.92 = 7,113,663 : x
  2. Step 2: Convert to fraction form
    12,915,006.12/17,822,050.92 = 7,113,663/x
  3. Step 3: Cross multiply
    12,915,006.12x = 17,822,050.92 × 7,113,663
  4. Step 4: Simplify right side
    12,915,006.12x = 126,780,064,213,719.97
  5. Step 5: Solve for x
    x = 126,780,064,213,719.97/12,915,006.12
  6. Step 6: Final answer
    x = 9,816,492.77

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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.