Home / 16,029,428.32-22,120,554.45-8,687,439.64

Finding the Fourth Proportional to 16,029,428.32, 22,120,554.45 and 8,687,439.64

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Solution

The fourth proportional to 16,029,428.32, 22,120,554.45 and 8,687,439.64 is: 11,988,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,029,428.32 : 22,120,554.45 = 8,687,439.64 : x
  2. Step 2: Convert to fraction form
    16,029,428.32/22,120,554.45 = 8,687,439.64/x
  3. Step 3: Cross multiply
    16,029,428.32x = 22,120,554.45 × 8,687,439.64
  4. Step 4: Simplify right side
    16,029,428.32x = 192,170,981,587,708.41
  5. Step 5: Solve for x
    x = 192,170,981,587,708.41/16,029,428.32
  6. Step 6: Final answer
    x = 11,988,636.01

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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.