Home / 7,268,539.20-10,902,808.80-4,427,188.80

Finding the Fourth Proportional to 7,268,539.20, 10,902,808.80 and 4,427,188.80

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Solution

The fourth proportional to 7,268,539.20, 10,902,808.80 and 4,427,188.80 is: 6,640,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,539.20 : 10,902,808.80 = 4,427,188.80 : x
  2. Step 2: Convert to fraction form
    7,268,539.20/10,902,808.80 = 4,427,188.80/x
  3. Step 3: Cross multiply
    7,268,539.20x = 10,902,808.80 × 4,427,188.80
  4. Step 4: Simplify right side
    7,268,539.20x = 48,268,793,007,901.44
  5. Step 5: Solve for x
    x = 48,268,793,007,901.44/7,268,539.20
  6. Step 6: Final answer
    x = 6,640,783.20

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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.