Home / 28,425,191.92-42,628,240.41-9,251,439.82

Finding the Fourth Proportional to 28,425,191.92, 42,628,240.41 and 9,251,439.82

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Solution

The fourth proportional to 28,425,191.92, 42,628,240.41 and 9,251,439.82 is: 13,874,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,425,191.92 : 42,628,240.41 = 9,251,439.82 : x
  2. Step 2: Convert to fraction form
    28,425,191.92/42,628,240.41 = 9,251,439.82/x
  3. Step 3: Cross multiply
    28,425,191.92x = 42,628,240.41 × 9,251,439.82
  4. Step 4: Simplify right side
    28,425,191.92x = 394,372,600,785,607.12
  5. Step 5: Solve for x
    x = 394,372,600,785,607.12/28,425,191.92
  6. Step 6: Final answer
    x = 13,874,052.35

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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.