Home / 28,570,469.59-39,427,031.22-15,517,821.92

Finding the Fourth Proportional to 28,570,469.59, 39,427,031.22 and 15,517,821.92

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Solution

The fourth proportional to 28,570,469.59, 39,427,031.22 and 15,517,821.92 is: 21,414,476.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,570,469.59 : 39,427,031.22 = 15,517,821.92 : x
  2. Step 2: Convert to fraction form
    28,570,469.59/39,427,031.22 = 15,517,821.92/x
  3. Step 3: Cross multiply
    28,570,469.59x = 39,427,031.22 × 15,517,821.92
  4. Step 4: Simplify right side
    28,570,469.59x = 611,821,649,404,807.88
  5. Step 5: Solve for x
    x = 611,821,649,404,807.88/28,570,469.59
  6. Step 6: Final answer
    x = 21,414,476.49

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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.