Home / 10,122,544.38-13,969,111.24-5,538,865.76

Finding the Fourth Proportional to 10,122,544.38, 13,969,111.24 and 5,538,865.76

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Solution

The fourth proportional to 10,122,544.38, 13,969,111.24 and 5,538,865.76 is: 7,643,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122,544.38 : 13,969,111.24 = 5,538,865.76 : x
  2. Step 2: Convert to fraction form
    10,122,544.38/13,969,111.24 = 5,538,865.76/x
  3. Step 3: Cross multiply
    10,122,544.38x = 13,969,111.24 × 5,538,865.76
  4. Step 4: Simplify right side
    10,122,544.38x = 77,373,031,944,867.14
  5. Step 5: Solve for x
    x = 77,373,031,944,867.14/10,122,544.38
  6. Step 6: Final answer
    x = 7,643,634.75

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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.