Home / 18,403,974.88-25,397,585.76-10,673,600.32

Finding the Fourth Proportional to 18,403,974.88, 25,397,585.76 and 10,673,600.32

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Solution

The fourth proportional to 18,403,974.88, 25,397,585.76 and 10,673,600.32 is: 14,729,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,974.88 : 25,397,585.76 = 10,673,600.32 : x
  2. Step 2: Convert to fraction form
    18,403,974.88/25,397,585.76 = 10,673,600.32/x
  3. Step 3: Cross multiply
    18,403,974.88x = 25,397,585.76 × 10,673,600.32
  4. Step 4: Simplify right side
    18,403,974.88x = 271,083,679,495,163.47
  5. Step 5: Solve for x
    x = 271,083,679,495,163.47/18,403,974.88
  6. Step 6: Final answer
    x = 14,729,626.68

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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.