Home / 28,164,682.62-42,253,614.09-8,732,886.30

Finding the Fourth Proportional to 28,164,682.62, 42,253,614.09 and 8,732,886.30

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Solution

The fourth proportional to 28,164,682.62, 42,253,614.09 and 8,732,886.30 is: 13,101,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164,682.62 : 42,253,614.09 = 8,732,886.30 : x
  2. Step 2: Convert to fraction form
    28,164,682.62/42,253,614.09 = 8,732,886.30/x
  3. Step 3: Cross multiply
    28,164,682.62x = 42,253,614.09 × 8,732,886.30
  4. Step 4: Simplify right side
    28,164,682.62x = 368,996,007,612,048
  5. Step 5: Solve for x
    x = 368,996,007,612,048/28,164,682.62
  6. Step 6: Final answer
    x = 13,101,372.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.