Home / 8,748,049.20-13,122,073.80-5,151,965.10

Finding the Fourth Proportional to 8,748,049.20, 13,122,073.80 and 5,151,965.10

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Solution

The fourth proportional to 8,748,049.20, 13,122,073.80 and 5,151,965.10 is: 7,727,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,049.20 : 13,122,073.80 = 5,151,965.10 : x
  2. Step 2: Convert to fraction form
    8,748,049.20/13,122,073.80 = 5,151,965.10/x
  3. Step 3: Cross multiply
    8,748,049.20x = 13,122,073.80 × 5,151,965.10
  4. Step 4: Simplify right side
    8,748,049.20x = 67,604,466,257,224.38
  5. Step 5: Solve for x
    x = 67,604,466,257,224.38/8,748,049.20
  6. Step 6: Final answer
    x = 7,727,947.65

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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.