Home / 9,532,786.68-13,155,372.54-5,181,939.72

Finding the Fourth Proportional to 9,532,786.68, 13,155,372.54 and 5,181,939.72

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Solution

The fourth proportional to 9,532,786.68, 13,155,372.54 and 5,181,939.72 is: 7,151,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,532,786.68 : 13,155,372.54 = 5,181,939.72 : x
  2. Step 2: Convert to fraction form
    9,532,786.68/13,155,372.54 = 5,181,939.72/x
  3. Step 3: Cross multiply
    9,532,786.68x = 13,155,372.54 × 5,181,939.72
  4. Step 4: Simplify right side
    9,532,786.68x = 68,170,347,496,423.28
  5. Step 5: Solve for x
    x = 68,170,347,496,423.28/9,532,786.68
  6. Step 6: Final answer
    x = 7,151,145.81

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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.