Home / 13,720,685.62-20,575,796.96-4,620,339.90

Finding the Fourth Proportional to 13,720,685.62, 20,575,796.96 and 4,620,339.90

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Solution

The fourth proportional to 13,720,685.62, 20,575,796.96 and 4,620,339.90 is: 6,928,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720,685.62 : 20,575,796.96 = 4,620,339.90 : x
  2. Step 2: Convert to fraction form
    13,720,685.62/20,575,796.96 = 4,620,339.90/x
  3. Step 3: Cross multiply
    13,720,685.62x = 20,575,796.96 × 4,620,339.90
  4. Step 4: Simplify right side
    13,720,685.62x = 95,067,175,668,586.72
  5. Step 5: Solve for x
    x = 95,067,175,668,586.72/13,720,685.62
  6. Step 6: Final answer
    x = 6,928,748.19

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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.