Home / 10,125,879.39-13,973,713.13-5,479,664.57

Finding the Fourth Proportional to 10,125,879.39, 13,973,713.13 and 5,479,664.57

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Solution

The fourth proportional to 10,125,879.39, 13,973,713.13 and 5,479,664.57 is: 7,561,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125,879.39 : 13,973,713.13 = 5,479,664.57 : x
  2. Step 2: Convert to fraction form
    10,125,879.39/13,973,713.13 = 5,479,664.57/x
  3. Step 3: Cross multiply
    10,125,879.39x = 13,973,713.13 × 5,479,664.57
  4. Step 4: Simplify right side
    10,125,879.39x = 76,571,260,652,537.92
  5. Step 5: Solve for x
    x = 76,571,260,652,537.92/10,125,879.39
  6. Step 6: Final answer
    x = 7,561,936.87

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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.