Home / 12,943,456.55-17,862,349.04-7,063,469.62

Finding the Fourth Proportional to 12,943,456.55, 17,862,349.04 and 7,063,469.62

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Solution

The fourth proportional to 12,943,456.55, 17,862,349.04 and 7,063,469.62 is: 9,747,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943,456.55 : 17,862,349.04 = 7,063,469.62 : x
  2. Step 2: Convert to fraction form
    12,943,456.55/17,862,349.04 = 7,063,469.62/x
  3. Step 3: Cross multiply
    12,943,456.55x = 17,862,349.04 × 7,063,469.62
  4. Step 4: Simplify right side
    12,943,456.55x = 126,170,159,714,223.09
  5. Step 5: Solve for x
    x = 126,170,159,714,223.09/12,943,456.55
  6. Step 6: Final answer
    x = 9,747,794.90

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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.