Home / 12,679,049.16-17,497,086.36-7,172,305.98

Finding the Fourth Proportional to 12,679,049.16, 17,497,086.36 and 7,172,305.98

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Solution

The fourth proportional to 12,679,049.16, 17,497,086.36 and 7,172,305.98 is: 9,897,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,049.16 : 17,497,086.36 = 7,172,305.98 : x
  2. Step 2: Convert to fraction form
    12,679,049.16/17,497,086.36 = 7,172,305.98/x
  3. Step 3: Cross multiply
    12,679,049.16x = 17,497,086.36 × 7,172,305.98
  4. Step 4: Simplify right side
    12,679,049.16x = 125,494,457,132,404.44
  5. Step 5: Solve for x
    x = 125,494,457,132,404.44/12,679,049.16
  6. Step 6: Final answer
    x = 9,897,781.41

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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.