Home / 12,079,713.22-16,664,491.52-7,182,148.15

Finding the Fourth Proportional to 12,079,713.22, 16,664,491.52 and 7,182,148.15

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Solution

The fourth proportional to 12,079,713.22, 16,664,491.52 and 7,182,148.15 is: 9,908,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079,713.22 : 16,664,491.52 = 7,182,148.15 : x
  2. Step 2: Convert to fraction form
    12,079,713.22/16,664,491.52 = 7,182,148.15/x
  3. Step 3: Cross multiply
    12,079,713.22x = 16,664,491.52 × 7,182,148.15
  4. Step 4: Simplify right side
    12,079,713.22x = 119,686,846,863,486.72
  5. Step 5: Solve for x
    x = 119,686,846,863,486.72/12,079,713.22
  6. Step 6: Final answer
    x = 9,908,086.78

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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.