Home / 8,155,871.20-11,255,819.42-4,485,434.57

Finding the Fourth Proportional to 8,155,871.20, 11,255,819.42 and 4,485,434.57

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Solution

The fourth proportional to 8,155,871.20, 11,255,819.42 and 4,485,434.57 is: 6,190,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155,871.20 : 11,255,819.42 = 4,485,434.57 : x
  2. Step 2: Convert to fraction form
    8,155,871.20/11,255,819.42 = 4,485,434.57/x
  3. Step 3: Cross multiply
    8,155,871.20x = 11,255,819.42 × 4,485,434.57
  4. Step 4: Simplify right side
    8,155,871.20x = 50,487,241,540,145.35
  5. Step 5: Solve for x
    x = 50,487,241,540,145.35/8,155,871.20
  6. Step 6: Final answer
    x = 6,190,294.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.