Home / 18,419,314.95-25,418,761.07-10,159,672.05

Finding the Fourth Proportional to 18,419,314.95, 25,418,761.07 and 10,159,672.05

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Solution

The fourth proportional to 18,419,314.95, 25,418,761.07 and 10,159,672.05 is: 14,020,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419,314.95 : 25,418,761.07 = 10,159,672.05 : x
  2. Step 2: Convert to fraction form
    18,419,314.95/25,418,761.07 = 10,159,672.05/x
  3. Step 3: Cross multiply
    18,419,314.95x = 25,418,761.07 × 10,159,672.05
  4. Step 4: Simplify right side
    18,419,314.95x = 258,246,276,337,708.78
  5. Step 5: Solve for x
    x = 258,246,276,337,708.78/18,419,314.95
  6. Step 6: Final answer
    x = 14,020,406.14

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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.