Home / 20,537,793.90-30,806,690.85-19,278,081.90

Finding the Fourth Proportional to 20,537,793.90, 30,806,690.85 and 19,278,081.90

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Solution

The fourth proportional to 20,537,793.90, 30,806,690.85 and 19,278,081.90 is: 28,917,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537,793.90 : 30,806,690.85 = 19,278,081.90 : x
  2. Step 2: Convert to fraction form
    20,537,793.90/30,806,690.85 = 19,278,081.90/x
  3. Step 3: Cross multiply
    20,537,793.90x = 30,806,690.85 × 19,278,081.90
  4. Step 4: Simplify right side
    20,537,793.90x = 593,893,909,274,280.62
  5. Step 5: Solve for x
    x = 593,893,909,274,280.62/20,537,793.90
  6. Step 6: Final answer
    x = 28,917,122.85

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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.