Home / 8,869,546.40-13,304,319.60-5,079,912.80

Finding the Fourth Proportional to 8,869,546.40, 13,304,319.60 and 5,079,912.80

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Solution

The fourth proportional to 8,869,546.40, 13,304,319.60 and 5,079,912.80 is: 7,619,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,546.40 : 13,304,319.60 = 5,079,912.80 : x
  2. Step 2: Convert to fraction form
    8,869,546.40/13,304,319.60 = 5,079,912.80/x
  3. Step 3: Cross multiply
    8,869,546.40x = 13,304,319.60 × 5,079,912.80
  4. Step 4: Simplify right side
    8,869,546.40x = 67,584,783,431,330.88
  5. Step 5: Solve for x
    x = 67,584,783,431,330.88/8,869,546.40
  6. Step 6: Final answer
    x = 7,619,869.20

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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.