Home / 7,136,720.50-9,848,685.11-3,873,536.43

Finding the Fourth Proportional to 7,136,720.50, 9,848,685.11 and 3,873,536.43

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Solution

The fourth proportional to 7,136,720.50, 9,848,685.11 and 3,873,536.43 is: 5,345,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,720.50 : 9,848,685.11 = 3,873,536.43 : x
  2. Step 2: Convert to fraction form
    7,136,720.50/9,848,685.11 = 3,873,536.43/x
  3. Step 3: Cross multiply
    7,136,720.50x = 9,848,685.11 × 3,873,536.43
  4. Step 4: Simplify right side
    7,136,720.50x = 38,149,240,561,183.55
  5. Step 5: Solve for x
    x = 38,149,240,561,183.55/7,136,720.50
  6. Step 6: Final answer
    x = 5,345,486.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.