Home / 9,181,807.60-13,772,711.40-3,123,380.20

Finding the Fourth Proportional to 9,181,807.60, 13,772,711.40 and 3,123,380.20

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Solution

The fourth proportional to 9,181,807.60, 13,772,711.40 and 3,123,380.20 is: 4,685,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,807.60 : 13,772,711.40 = 3,123,380.20 : x
  2. Step 2: Convert to fraction form
    9,181,807.60/13,772,711.40 = 3,123,380.20/x
  3. Step 3: Cross multiply
    9,181,807.60x = 13,772,711.40 × 3,123,380.20
  4. Step 4: Simplify right side
    9,181,807.60x = 43,017,414,087,074.28
  5. Step 5: Solve for x
    x = 43,017,414,087,074.28/9,181,807.60
  6. Step 6: Final answer
    x = 4,685,070.30

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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.