Home / 12,069,414.30-18,104,121.45-10,510,520.70

Finding the Fourth Proportional to 12,069,414.30, 18,104,121.45 and 10,510,520.70

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Solution

The fourth proportional to 12,069,414.30, 18,104,121.45 and 10,510,520.70 is: 15,765,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,414.30 : 18,104,121.45 = 10,510,520.70 : x
  2. Step 2: Convert to fraction form
    12,069,414.30/18,104,121.45 = 10,510,520.70/x
  3. Step 3: Cross multiply
    12,069,414.30x = 18,104,121.45 × 10,510,520.70
  4. Step 4: Simplify right side
    12,069,414.30x = 190,283,743,255,539
  5. Step 5: Solve for x
    x = 190,283,743,255,539/12,069,414.30
  6. Step 6: Final answer
    x = 15,765,781.05

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Double scale
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Similar ratio
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1.5x scale

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.