Home / 12,582,601.74-18,873,709.89-5,661,192.35

Finding the Fourth Proportional to 12,582,601.74, 18,873,709.89 and 5,661,192.35

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Solution

The fourth proportional to 12,582,601.74, 18,873,709.89 and 5,661,192.35 is: 8,491,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582,601.74 : 18,873,709.89 = 5,661,192.35 : x
  2. Step 2: Convert to fraction form
    12,582,601.74/18,873,709.89 = 5,661,192.35/x
  3. Step 3: Cross multiply
    12,582,601.74x = 18,873,709.89 × 5,661,192.35
  4. Step 4: Simplify right side
    12,582,601.74x = 106,847,701,951,018.80
  5. Step 5: Solve for x
    x = 106,847,701,951,018.80/12,582,601.74
  6. Step 6: Final answer
    x = 8,491,701.81

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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.