Home / 8,342,219.52-12,518,062.92-4,503,990.78

Finding the Fourth Proportional to 8,342,219.52, 12,518,062.92 and 4,503,990.78

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Solution

The fourth proportional to 8,342,219.52, 12,518,062.92 and 4,503,990.78 is: 6,758,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342,219.52 : 12,518,062.92 = 4,503,990.78 : x
  2. Step 2: Convert to fraction form
    8,342,219.52/12,518,062.92 = 4,503,990.78/x
  3. Step 3: Cross multiply
    8,342,219.52x = 12,518,062.92 × 4,503,990.78
  4. Step 4: Simplify right side
    8,342,219.52x = 56,381,239,975,139.88
  5. Step 5: Solve for x
    x = 56,381,239,975,139.88/8,342,219.52
  6. Step 6: Final answer
    x = 6,758,541.88

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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.