Home / 18,132,760.81-25,023,823.95-9,873,143.41

Finding the Fourth Proportional to 18,132,760.81, 25,023,823.95 and 9,873,143.41

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Solution

The fourth proportional to 18,132,760.81, 25,023,823.95 and 9,873,143.41 is: 13,625,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132,760.81 : 25,023,823.95 = 9,873,143.41 : x
  2. Step 2: Convert to fraction form
    18,132,760.81/25,023,823.95 = 9,873,143.41/x
  3. Step 3: Cross multiply
    18,132,760.81x = 25,023,823.95 × 9,873,143.41
  4. Step 4: Simplify right side
    18,132,760.81x = 247,063,802,524,942.66
  5. Step 5: Solve for x
    x = 247,063,802,524,942.66/18,132,760.81
  6. Step 6: Final answer
    x = 13,625,272.24

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1.5x scale

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.