Home / 12,402,718.38-18,606,560.82-6,945,573.75

Finding the Fourth Proportional to 12,402,718.38, 18,606,560.82 and 6,945,573.75

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Solution

The fourth proportional to 12,402,718.38, 18,606,560.82 and 6,945,573.75 is: 10,419,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,718.38 : 18,606,560.82 = 6,945,573.75 : x
  2. Step 2: Convert to fraction form
    12,402,718.38/18,606,560.82 = 6,945,573.75/x
  3. Step 3: Cross multiply
    12,402,718.38x = 18,606,560.82 × 6,945,573.75
  4. Step 4: Simplify right side
    12,402,718.38x = 129,233,240,409,170.48
  5. Step 5: Solve for x
    x = 129,233,240,409,170.48/12,402,718.38
  6. Step 6: Final answer
    x = 10,419,751.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.