Home / 28,323,266.05-39,086,049.27-15,933,367.95

Finding the Fourth Proportional to 28,323,266.05, 39,086,049.27 and 15,933,367.95

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Solution

The fourth proportional to 28,323,266.05, 39,086,049.27 and 15,933,367.95 is: 21,988,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323,266.05 : 39,086,049.27 = 15,933,367.95 : x
  2. Step 2: Convert to fraction form
    28,323,266.05/39,086,049.27 = 15,933,367.95/x
  3. Step 3: Cross multiply
    28,323,266.05x = 39,086,049.27 × 15,933,367.95
  4. Step 4: Simplify right side
    28,323,266.05x = 622,772,404,554,275.12
  5. Step 5: Solve for x
    x = 622,772,404,554,275.12/28,323,266.05
  6. Step 6: Final answer
    x = 21,988,015.20

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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.