Home / 12,418,222.32-18,630,433.55-4,331,314.15

Finding the Fourth Proportional to 12,418,222.32, 18,630,433.55 and 4,331,314.15

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Solution

The fourth proportional to 12,418,222.32, 18,630,433.55 and 4,331,314.15 is: 6,498,052.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,222.32 : 18,630,433.55 = 4,331,314.15 : x
  2. Step 2: Convert to fraction form
    12,418,222.32/18,630,433.55 = 4,331,314.15/x
  3. Step 3: Cross multiply
    12,418,222.32x = 18,630,433.55 × 4,331,314.15
  4. Step 4: Simplify right side
    12,418,222.32x = 80,694,260,420,001.92
  5. Step 5: Solve for x
    x = 80,694,260,420,001.92/12,418,222.32
  6. Step 6: Final answer
    x = 6,498,052.49

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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.