Home / 7,254,614.57-10,011,523.19-3,991,438.68

Finding the Fourth Proportional to 7,254,614.57, 10,011,523.19 and 3,991,438.68

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Solution

The fourth proportional to 7,254,614.57, 10,011,523.19 and 3,991,438.68 is: 5,508,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,614.57 : 10,011,523.19 = 3,991,438.68 : x
  2. Step 2: Convert to fraction form
    7,254,614.57/10,011,523.19 = 3,991,438.68/x
  3. Step 3: Cross multiply
    7,254,614.57x = 10,011,523.19 × 3,991,438.68
  4. Step 4: Simplify right side
    7,254,614.57x = 39,960,380,936,015.48
  5. Step 5: Solve for x
    x = 39,960,380,936,015.48/7,254,614.57
  6. Step 6: Final answer
    x = 5,508,270.71

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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.