Home / 11,387,870.18-15,715,260.84-6,231,231.73

Finding the Fourth Proportional to 11,387,870.18, 15,715,260.84 and 6,231,231.73

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Solution

The fourth proportional to 11,387,870.18, 15,715,260.84 and 6,231,231.73 is: 8,599,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387,870.18 : 15,715,260.84 = 6,231,231.73 : x
  2. Step 2: Convert to fraction form
    11,387,870.18/15,715,260.84 = 6,231,231.73/x
  3. Step 3: Cross multiply
    11,387,870.18x = 15,715,260.84 × 6,231,231.73
  4. Step 4: Simplify right side
    11,387,870.18x = 97,925,431,991,434.45
  5. Step 5: Solve for x
    x = 97,925,431,991,434.45/11,387,870.18
  6. Step 6: Final answer
    x = 8,599,099.78

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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.