Home / 28,499,246.40-42,754,053.60-9,324,667.20

Finding the Fourth Proportional to 28,499,246.40, 42,754,053.60 and 9,324,667.20

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Solution

The fourth proportional to 28,499,246.40, 42,754,053.60 and 9,324,667.20 is: 13,988,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,499,246.40 : 42,754,053.60 = 9,324,667.20 : x
  2. Step 2: Convert to fraction form
    28,499,246.40/42,754,053.60 = 9,324,667.20/x
  3. Step 3: Cross multiply
    28,499,246.40x = 42,754,053.60 × 9,324,667.20
  4. Step 4: Simplify right side
    28,499,246.40x = 398,667,321,270,961.88
  5. Step 5: Solve for x
    x = 398,667,321,270,961.88/28,499,246.40
  6. Step 6: Final answer
    x = 13,988,696.95

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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.