Home / 10,131,315.44-13,981,218.32-5,485,099.55

Finding the Fourth Proportional to 10,131,315.44, 13,981,218.32 and 5,485,099.55

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Solution

The fourth proportional to 10,131,315.44, 13,981,218.32 and 5,485,099.55 is: 7,569,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,315.44 : 13,981,218.32 = 5,485,099.55 : x
  2. Step 2: Convert to fraction form
    10,131,315.44/13,981,218.32 = 5,485,099.55/x
  3. Step 3: Cross multiply
    10,131,315.44x = 13,981,218.32 × 5,485,099.55
  4. Step 4: Simplify right side
    10,131,315.44x = 76,688,374,288,058.25
  5. Step 5: Solve for x
    x = 76,688,374,288,058.25/10,131,315.44
  6. Step 6: Final answer
    x = 7,569,439.01

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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.