Home / 19,059,348.80-28,589,023.20-7,693,947.20

Finding the Fourth Proportional to 19,059,348.80, 28,589,023.20 and 7,693,947.20

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Solution

The fourth proportional to 19,059,348.80, 28,589,023.20 and 7,693,947.20 is: 11,540,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059,348.80 : 28,589,023.20 = 7,693,947.20 : x
  2. Step 2: Convert to fraction form
    19,059,348.80/28,589,023.20 = 7,693,947.20/x
  3. Step 3: Cross multiply
    19,059,348.80x = 28,589,023.20 × 7,693,947.20
  4. Step 4: Simplify right side
    19,059,348.80x = 219,962,435,000,375.03
  5. Step 5: Solve for x
    x = 219,962,435,000,375.03/19,059,348.80
  6. Step 6: Final answer
    x = 11,540,920.80

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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.