Home / 28,912,518-43,354,826.82-16,785,034.38

Finding the Fourth Proportional to 28,912,518, 43,354,826.82 and 16,785,034.38

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Solution

The fourth proportional to 28,912,518, 43,354,826.82 and 16,785,034.38 is: 25,169,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,518 : 43,354,826.82 = 16,785,034.38 : x
  2. Step 2: Convert to fraction form
    28,912,518/43,354,826.82 = 16,785,034.38/x
  3. Step 3: Cross multiply
    28,912,518x = 43,354,826.82 × 16,785,034.38
  4. Step 4: Simplify right side
    28,912,518x = 727,712,258,712,646
  5. Step 5: Solve for x
    x = 727,712,258,712,646/28,912,518
  6. Step 6: Final answer
    x = 25,169,452.85

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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.