Home / 9,181,805.60-13,772,708.40-3,123,378.20

Finding the Fourth Proportional to 9,181,805.60, 13,772,708.40 and 3,123,378.20

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Solution

The fourth proportional to 9,181,805.60, 13,772,708.40 and 3,123,378.20 is: 4,685,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,805.60 : 13,772,708.40 = 3,123,378.20 : x
  2. Step 2: Convert to fraction form
    9,181,805.60/13,772,708.40 = 3,123,378.20/x
  3. Step 3: Cross multiply
    9,181,805.60x = 13,772,708.40 × 3,123,378.20
  4. Step 4: Simplify right side
    9,181,805.60x = 43,017,377,171,516.88
  5. Step 5: Solve for x
    x = 43,017,377,171,516.88/9,181,805.60
  6. Step 6: Final answer
    x = 4,685,067.30

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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.