Home / 8,745,947.80-13,124,451.30-5,151,707.80

Finding the Fourth Proportional to 8,745,947.80, 13,124,451.30 and 5,151,707.80

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Solution

The fourth proportional to 8,745,947.80, 13,124,451.30 and 5,151,707.80 is: 7,730,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745,947.80 : 13,124,451.30 = 5,151,707.80 : x
  2. Step 2: Convert to fraction form
    8,745,947.80/13,124,451.30 = 5,151,707.80/x
  3. Step 3: Cross multiply
    8,745,947.80x = 13,124,451.30 × 5,151,707.80
  4. Step 4: Simplify right side
    8,745,947.80x = 67,613,338,132,930.14
  5. Step 5: Solve for x
    x = 67,613,338,132,930.14/8,745,947.80
  6. Step 6: Final answer
    x = 7,730,818.85

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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.