Home / 12,679,049.66-17,497,087.05-7,172,306.48

Finding the Fourth Proportional to 12,679,049.66, 17,497,087.05 and 7,172,306.48

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Solution

The fourth proportional to 12,679,049.66, 17,497,087.05 and 7,172,306.48 is: 9,897,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,049.66 : 17,497,087.05 = 7,172,306.48 : x
  2. Step 2: Convert to fraction form
    12,679,049.66/17,497,087.05 = 7,172,306.48/x
  3. Step 3: Cross multiply
    12,679,049.66x = 17,497,087.05 × 7,172,306.48
  4. Step 4: Simplify right side
    12,679,049.66x = 125,494,470,829,839.09
  5. Step 5: Solve for x
    x = 125,494,470,829,839.09/12,679,049.66
  6. Step 6: Final answer
    x = 9,897,782.10

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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.