Home / 31,262,862.96-43,144,125.84-17,324,178.72

Finding the Fourth Proportional to 31,262,862.96, 43,144,125.84 and 17,324,178.72

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Solution

The fourth proportional to 31,262,862.96, 43,144,125.84 and 17,324,178.72 is: 23,908,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262,862.96 : 43,144,125.84 = 17,324,178.72 : x
  2. Step 2: Convert to fraction form
    31,262,862.96/43,144,125.84 = 17,324,178.72/x
  3. Step 3: Cross multiply
    31,262,862.96x = 43,144,125.84 × 17,324,178.72
  4. Step 4: Simplify right side
    31,262,862.96x = 747,436,546,770,330.12
  5. Step 5: Solve for x
    x = 747,436,546,770,330.12/31,262,862.96
  6. Step 6: Final answer
    x = 23,908,128.56

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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.