Home / 13,391,786.68-18,482,110.40-7,589,945.54

Finding the Fourth Proportional to 13,391,786.68, 18,482,110.40 and 7,589,945.54

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Solution

The fourth proportional to 13,391,786.68, 18,482,110.40 and 7,589,945.54 is: 10,474,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391,786.68 : 18,482,110.40 = 7,589,945.54 : x
  2. Step 2: Convert to fraction form
    13,391,786.68/18,482,110.40 = 7,589,945.54/x
  3. Step 3: Cross multiply
    13,391,786.68x = 18,482,110.40 × 7,589,945.54
  4. Step 4: Simplify right side
    13,391,786.68x = 140,278,211,400,267.61
  5. Step 5: Solve for x
    x = 140,278,211,400,267.61/13,391,786.68
  6. Step 6: Final answer
    x = 10,474,943.69

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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.