Home / 6,115,787.20-9,173,680.80-5,454,438.40

Finding the Fourth Proportional to 6,115,787.20, 9,173,680.80 and 5,454,438.40

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Solution

The fourth proportional to 6,115,787.20, 9,173,680.80 and 5,454,438.40 is: 8,181,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115,787.20 : 9,173,680.80 = 5,454,438.40 : x
  2. Step 2: Convert to fraction form
    6,115,787.20/9,173,680.80 = 5,454,438.40/x
  3. Step 3: Cross multiply
    6,115,787.20x = 9,173,680.80 × 5,454,438.40
  4. Step 4: Simplify right side
    6,115,787.20x = 50,037,276,824,862.73
  5. Step 5: Solve for x
    x = 50,037,276,824,862.73/6,115,787.20
  6. Step 6: Final answer
    x = 8,181,657.60

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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.