Home / 10,148,399.75-13,991,243.66-8,062,164.32

Finding the Fourth Proportional to 10,148,399.75, 13,991,243.66 and 8,062,164.32

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Solution

The fourth proportional to 10,148,399.75, 13,991,243.66 and 8,062,164.32 is: 11,115,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148,399.75 : 13,991,243.66 = 8,062,164.32 : x
  2. Step 2: Convert to fraction form
    10,148,399.75/13,991,243.66 = 8,062,164.32/x
  3. Step 3: Cross multiply
    10,148,399.75x = 13,991,243.66 × 8,062,164.32
  4. Step 4: Simplify right side
    10,148,399.75x = 112,799,705,428,078.22
  5. Step 5: Solve for x
    x = 112,799,705,428,078.22/10,148,399.75
  6. Step 6: Final answer
    x = 11,115,023.87

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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.