Home / 11,286,070.20-15,575,737.38-6,392,162.88

Finding the Fourth Proportional to 11,286,070.20, 15,575,737.38 and 6,392,162.88

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Solution

The fourth proportional to 11,286,070.20, 15,575,737.38 and 6,392,162.88 is: 8,821,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286,070.20 : 15,575,737.38 = 6,392,162.88 : x
  2. Step 2: Convert to fraction form
    11,286,070.20/15,575,737.38 = 6,392,162.88/x
  3. Step 3: Cross multiply
    11,286,070.20x = 15,575,737.38 × 6,392,162.88
  4. Step 4: Simplify right side
    11,286,070.20x = 99,562,650,309,064.45
  5. Step 5: Solve for x
    x = 99,562,650,309,064.45/11,286,070.20
  6. Step 6: Final answer
    x = 8,821,728.78

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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.