Home / 7,161,649.76-9,864,249.96-5,504,627.90

Finding the Fourth Proportional to 7,161,649.76, 9,864,249.96 and 5,504,627.90

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Solution

The fourth proportional to 7,161,649.76, 9,864,249.96 and 5,504,627.90 is: 7,581,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,649.76 : 9,864,249.96 = 5,504,627.90 : x
  2. Step 2: Convert to fraction form
    7,161,649.76/9,864,249.96 = 5,504,627.90/x
  3. Step 3: Cross multiply
    7,161,649.76x = 9,864,249.96 × 5,504,627.90
  4. Step 4: Simplify right side
    7,161,649.76x = 54,299,025,542,389.89
  5. Step 5: Solve for x
    x = 54,299,025,542,389.89/7,161,649.76
  6. Step 6: Final answer
    x = 7,581,915.81

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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.