Home / 12,079,712.97-16,664,491.17-7,182,147.90

Finding the Fourth Proportional to 12,079,712.97, 16,664,491.17 and 7,182,147.90

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Solution

The fourth proportional to 12,079,712.97, 16,664,491.17 and 7,182,147.90 is: 9,908,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079,712.97 : 16,664,491.17 = 7,182,147.90 : x
  2. Step 2: Convert to fraction form
    12,079,712.97/16,664,491.17 = 7,182,147.90/x
  3. Step 3: Cross multiply
    12,079,712.97x = 16,664,491.17 × 7,182,147.90
  4. Step 4: Simplify right side
    12,079,712.97x = 119,686,840,261,184.05
  5. Step 5: Solve for x
    x = 119,686,840,261,184.05/12,079,712.97
  6. Step 6: Final answer
    x = 9,908,086.44

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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.