Home / 13,486,573.70-20,229,860.55-3,902,264.90

Finding the Fourth Proportional to 13,486,573.70, 20,229,860.55 and 3,902,264.90

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Solution

The fourth proportional to 13,486,573.70, 20,229,860.55 and 3,902,264.90 is: 5,853,397.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,573.70 : 20,229,860.55 = 3,902,264.90 : x
  2. Step 2: Convert to fraction form
    13,486,573.70/20,229,860.55 = 3,902,264.90/x
  3. Step 3: Cross multiply
    13,486,573.70x = 20,229,860.55 × 3,902,264.90
  4. Step 4: Simplify right side
    13,486,573.70x = 78,942,274,756,159.70
  5. Step 5: Solve for x
    x = 78,942,274,756,159.70/13,486,573.70
  6. Step 6: Final answer
    x = 5,853,397.35

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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.