Home / 10,257,891.30-15,386,836.95-9,785,499.30

Finding the Fourth Proportional to 10,257,891.30, 15,386,836.95 and 9,785,499.30

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Solution

The fourth proportional to 10,257,891.30, 15,386,836.95 and 9,785,499.30 is: 14,678,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,891.30 : 15,386,836.95 = 9,785,499.30 : x
  2. Step 2: Convert to fraction form
    10,257,891.30/15,386,836.95 = 9,785,499.30/x
  3. Step 3: Cross multiply
    10,257,891.30x = 15,386,836.95 × 9,785,499.30
  4. Step 4: Simplify right side
    10,257,891.30x = 150,567,882,203,439.12
  5. Step 5: Solve for x
    x = 150,567,882,203,439.12/10,257,891.30
  6. Step 6: Final answer
    x = 14,678,248.95

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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.