Home / 8,752,854.70-13,120,424.70-5,156,770.60

Finding the Fourth Proportional to 8,752,854.70, 13,120,424.70 and 5,156,770.60

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Solution

The fourth proportional to 8,752,854.70, 13,120,424.70 and 5,156,770.60 is: 7,729,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752,854.70 : 13,120,424.70 = 5,156,770.60 : x
  2. Step 2: Convert to fraction form
    8,752,854.70/13,120,424.70 = 5,156,770.60/x
  3. Step 3: Cross multiply
    8,752,854.70x = 13,120,424.70 × 5,156,770.60
  4. Step 4: Simplify right side
    8,752,854.70x = 67,659,020,352,473.81
  5. Step 5: Solve for x
    x = 67,659,020,352,473.81/8,752,854.70
  6. Step 6: Final answer
    x = 7,729,937.57

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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.