Home / 10,257,438.80-15,386,158.20-9,785,046.80

Finding the Fourth Proportional to 10,257,438.80, 15,386,158.20 and 9,785,046.80

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Solution

The fourth proportional to 10,257,438.80, 15,386,158.20 and 9,785,046.80 is: 14,677,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,438.80 : 15,386,158.20 = 9,785,046.80 : x
  2. Step 2: Convert to fraction form
    10,257,438.80/15,386,158.20 = 9,785,046.80/x
  3. Step 3: Cross multiply
    10,257,438.80x = 15,386,158.20 × 9,785,046.80
  4. Step 4: Simplify right side
    10,257,438.80x = 150,554,278,059,203.75
  5. Step 5: Solve for x
    x = 150,554,278,059,203.75/10,257,438.80
  6. Step 6: Final answer
    x = 14,677,570.20

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Similar ratio
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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.