Home / 8,869,542.40-13,304,313.60-5,079,908.80

Finding the Fourth Proportional to 8,869,542.40, 13,304,313.60 and 5,079,908.80

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Solution

The fourth proportional to 8,869,542.40, 13,304,313.60 and 5,079,908.80 is: 7,619,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,542.40 : 13,304,313.60 = 5,079,908.80 : x
  2. Step 2: Convert to fraction form
    8,869,542.40/13,304,313.60 = 5,079,908.80/x
  3. Step 3: Cross multiply
    8,869,542.40x = 13,304,313.60 × 5,079,908.80
  4. Step 4: Simplify right side
    8,869,542.40x = 67,584,699,734,599.67
  5. Step 5: Solve for x
    x = 67,584,699,734,599.67/8,869,542.40
  6. Step 6: Final answer
    x = 7,619,863.20

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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.