Home / 8,979,127.47-12,391,195.46-4,849,158.25

Finding the Fourth Proportional to 8,979,127.47, 12,391,195.46 and 4,849,158.25

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Solution

The fourth proportional to 8,979,127.47, 12,391,195.46 and 4,849,158.25 is: 6,691,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,127.47 : 12,391,195.46 = 4,849,158.25 : x
  2. Step 2: Convert to fraction form
    8,979,127.47/12,391,195.46 = 4,849,158.25/x
  3. Step 3: Cross multiply
    8,979,127.47x = 12,391,195.46 × 4,849,158.25
  4. Step 4: Simplify right side
    8,979,127.47x = 60,086,867,692,221.55
  5. Step 5: Solve for x
    x = 60,086,867,692,221.55/8,979,127.47
  6. Step 6: Final answer
    x = 6,691,838.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.