Home / 21,186,777.25-31,780,461.08-6,040,708.75

Finding the Fourth Proportional to 21,186,777.25, 31,780,461.08 and 6,040,708.75

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Solution

The fourth proportional to 21,186,777.25, 31,780,461.08 and 6,040,708.75 is: 9,061,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,777.25 : 31,780,461.08 = 6,040,708.75 : x
  2. Step 2: Convert to fraction form
    21,186,777.25/31,780,461.08 = 6,040,708.75/x
  3. Step 3: Cross multiply
    21,186,777.25x = 31,780,461.08 × 6,040,708.75
  4. Step 4: Simplify right side
    21,186,777.25x = 191,976,509,324,990.44
  5. Step 5: Solve for x
    x = 191,976,509,324,990.44/21,186,777.25
  6. Step 6: Final answer
    x = 9,061,147.29

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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.