Home / 10,878,748.92-15,012,767.52-5,917,230.12

Finding the Fourth Proportional to 10,878,748.92, 15,012,767.52 and 5,917,230.12

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Solution

The fourth proportional to 10,878,748.92, 15,012,767.52 and 5,917,230.12 is: 8,165,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,748.92 : 15,012,767.52 = 5,917,230.12 : x
  2. Step 2: Convert to fraction form
    10,878,748.92/15,012,767.52 = 5,917,230.12/x
  3. Step 3: Cross multiply
    10,878,748.92x = 15,012,767.52 × 5,917,230.12
  4. Step 4: Simplify right side
    10,878,748.92x = 88,834,000,153,901.70
  5. Step 5: Solve for x
    x = 88,834,000,153,901.70/10,878,748.92
  6. Step 6: Final answer
    x = 8,165,828.70

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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.