Home / 12,584,068-18,876,171.12-3,128,452

Finding the Fourth Proportional to 12,584,068, 18,876,171.12 and 3,128,452

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Solution

The fourth proportional to 12,584,068, 18,876,171.12 and 3,128,452 is: 4,692,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584,068 : 18,876,171.12 = 3,128,452 : x
  2. Step 2: Convert to fraction form
    12,584,068/18,876,171.12 = 3,128,452/x
  3. Step 3: Cross multiply
    12,584,068x = 18,876,171.12 × 3,128,452
  4. Step 4: Simplify right side
    12,584,068x = 59,053,195,292,706.24
  5. Step 5: Solve for x
    x = 59,053,195,292,706.24/12,584,068
  6. Step 6: Final answer
    x = 4,692,695.18

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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.