Home / 28,949,806.62-39,953,921.49-16,561,042.11

Finding the Fourth Proportional to 28,949,806.62, 39,953,921.49 and 16,561,042.11

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Solution

The fourth proportional to 28,949,806.62, 39,953,921.49 and 16,561,042.11 is: 22,856,062.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949,806.62 : 39,953,921.49 = 16,561,042.11 : x
  2. Step 2: Convert to fraction form
    28,949,806.62/39,953,921.49 = 16,561,042.11/x
  3. Step 3: Cross multiply
    28,949,806.62x = 39,953,921.49 × 16,561,042.11
  4. Step 4: Simplify right side
    28,949,806.62x = 661,678,576,255,524
  5. Step 5: Solve for x
    x = 661,678,576,255,524/28,949,806.62
  6. Step 6: Final answer
    x = 22,856,062.04

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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.