Home / 10,239,440.80-15,337,042.80-8,469,968.80

Finding the Fourth Proportional to 10,239,440.80, 15,337,042.80 and 8,469,968.80

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Solution

The fourth proportional to 10,239,440.80, 15,337,042.80 and 8,469,968.80 is: 12,686,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239,440.80 : 15,337,042.80 = 8,469,968.80 : x
  2. Step 2: Convert to fraction form
    10,239,440.80/15,337,042.80 = 8,469,968.80/x
  3. Step 3: Cross multiply
    10,239,440.80x = 15,337,042.80 × 8,469,968.80
  4. Step 4: Simplify right side
    10,239,440.80x = 129,904,274,000,264.66
  5. Step 5: Solve for x
    x = 129,904,274,000,264.66/10,239,440.80
  6. Step 6: Final answer
    x = 12,686,657.07

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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.