Home / 13,486,503.20-20,229,754.80-3,902,194.40

Finding the Fourth Proportional to 13,486,503.20, 20,229,754.80 and 3,902,194.40

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Solution

The fourth proportional to 13,486,503.20, 20,229,754.80 and 3,902,194.40 is: 5,853,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,503.20 : 20,229,754.80 = 3,902,194.40 : x
  2. Step 2: Convert to fraction form
    13,486,503.20/20,229,754.80 = 3,902,194.40/x
  3. Step 3: Cross multiply
    13,486,503.20x = 20,229,754.80 × 3,902,194.40
  4. Step 4: Simplify right side
    13,486,503.20x = 78,940,435,893,933.12
  5. Step 5: Solve for x
    x = 78,940,435,893,933.12/13,486,503.20
  6. Step 6: Final answer
    x = 5,853,291.60

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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.