Home / 28,001,005.20-42,001,507.80-17,487,658.80

Finding the Fourth Proportional to 28,001,005.20, 42,001,507.80 and 17,487,658.80

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Solution

The fourth proportional to 28,001,005.20, 42,001,507.80 and 17,487,658.80 is: 26,231,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,001,005.20 : 42,001,507.80 = 17,487,658.80 : x
  2. Step 2: Convert to fraction form
    28,001,005.20/42,001,507.80 = 17,487,658.80/x
  3. Step 3: Cross multiply
    28,001,005.20x = 42,001,507.80 × 17,487,658.80
  4. Step 4: Simplify right side
    28,001,005.20x = 734,508,037,491,938.62
  5. Step 5: Solve for x
    x = 734,508,037,491,938.62/28,001,005.20
  6. Step 6: Final answer
    x = 26,231,488.20

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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.