Home / 7,928,001.70-11,892,002.55-5,536,517.20

Finding the Fourth Proportional to 7,928,001.70, 11,892,002.55 and 5,536,517.20

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Solution

The fourth proportional to 7,928,001.70, 11,892,002.55 and 5,536,517.20 is: 8,304,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,001.70 : 11,892,002.55 = 5,536,517.20 : x
  2. Step 2: Convert to fraction form
    7,928,001.70/11,892,002.55 = 5,536,517.20/x
  3. Step 3: Cross multiply
    7,928,001.70x = 11,892,002.55 × 5,536,517.20
  4. Step 4: Simplify right side
    7,928,001.70x = 65,840,276,660,518.87
  5. Step 5: Solve for x
    x = 65,840,276,660,518.87/7,928,001.70
  6. Step 6: Final answer
    x = 8,304,775.80

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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.