Home / 9,919,825.76-13,687,729.44-5,844,890.72

Finding the Fourth Proportional to 9,919,825.76, 13,687,729.44 and 5,844,890.72

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Solution

The fourth proportional to 9,919,825.76, 13,687,729.44 and 5,844,890.72 is: 8,064,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919,825.76 : 13,687,729.44 = 5,844,890.72 : x
  2. Step 2: Convert to fraction form
    9,919,825.76/13,687,729.44 = 5,844,890.72/x
  3. Step 3: Cross multiply
    9,919,825.76x = 13,687,729.44 × 5,844,890.72
  4. Step 4: Simplify right side
    9,919,825.76x = 80,003,282,781,726.80
  5. Step 5: Solve for x
    x = 80,003,282,781,726.80/9,919,825.76
  6. Step 6: Final answer
    x = 8,064,988.71

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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.