Home / 28,375,480.56-42,569,198.70-9,204,740.76

Finding the Fourth Proportional to 28,375,480.56, 42,569,198.70 and 9,204,740.76

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Solution

The fourth proportional to 28,375,480.56, 42,569,198.70 and 9,204,740.76 is: 13,809,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,375,480.56 : 42,569,198.70 = 9,204,740.76 : x
  2. Step 2: Convert to fraction form
    28,375,480.56/42,569,198.70 = 9,204,740.76/x
  3. Step 3: Cross multiply
    28,375,480.56x = 42,569,198.70 × 9,204,740.76
  4. Step 4: Simplify right side
    28,375,480.56x = 391,838,438,394,429
  5. Step 5: Solve for x
    x = 391,838,438,394,429/28,375,480.56
  6. Step 6: Final answer
    x = 13,809,050.30

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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.