Home / 28,193,195.70-42,289,793.55-17,375,418.90

Finding the Fourth Proportional to 28,193,195.70, 42,289,793.55 and 17,375,418.90

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Solution

The fourth proportional to 28,193,195.70, 42,289,793.55 and 17,375,418.90 is: 26,063,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193,195.70 : 42,289,793.55 = 17,375,418.90 : x
  2. Step 2: Convert to fraction form
    28,193,195.70/42,289,793.55 = 17,375,418.90/x
  3. Step 3: Cross multiply
    28,193,195.70x = 42,289,793.55 × 17,375,418.90
  4. Step 4: Simplify right side
    28,193,195.70x = 734,802,878,125,768
  5. Step 5: Solve for x
    x = 734,802,878,125,768/28,193,195.70
  6. Step 6: Final answer
    x = 26,063,128.35

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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.