Home / 8,084,557.70-12,126,836.55-7,340,540.30

Finding the Fourth Proportional to 8,084,557.70, 12,126,836.55 and 7,340,540.30

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Solution

The fourth proportional to 8,084,557.70, 12,126,836.55 and 7,340,540.30 is: 11,010,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084,557.70 : 12,126,836.55 = 7,340,540.30 : x
  2. Step 2: Convert to fraction form
    8,084,557.70/12,126,836.55 = 7,340,540.30/x
  3. Step 3: Cross multiply
    8,084,557.70x = 12,126,836.55 × 7,340,540.30
  4. Step 4: Simplify right side
    8,084,557.70x = 89,017,532,406,787.97
  5. Step 5: Solve for x
    x = 89,017,532,406,787.97/8,084,557.70
  6. Step 6: Final answer
    x = 11,010,810.45

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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.