Home / 10,080,481.30-15,120,721.95-7,246,129.30

Finding the Fourth Proportional to 10,080,481.30, 15,120,721.95 and 7,246,129.30

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Solution

The fourth proportional to 10,080,481.30, 15,120,721.95 and 7,246,129.30 is: 10,869,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,481.30 : 15,120,721.95 = 7,246,129.30 : x
  2. Step 2: Convert to fraction form
    10,080,481.30/15,120,721.95 = 7,246,129.30/x
  3. Step 3: Cross multiply
    10,080,481.30x = 15,120,721.95 × 7,246,129.30
  4. Step 4: Simplify right side
    10,080,481.30x = 109,566,706,359,048.12
  5. Step 5: Solve for x
    x = 109,566,706,359,048.12/10,080,481.30
  6. Step 6: Final answer
    x = 10,869,193.95

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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.