Home / 18,306,281.66-25,260,998.93-10,862,660.97

Finding the Fourth Proportional to 18,306,281.66, 25,260,998.93 and 10,862,660.97

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Solution

The fourth proportional to 18,306,281.66, 25,260,998.93 and 10,862,660.97 is: 14,989,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306,281.66 : 25,260,998.93 = 10,862,660.97 : x
  2. Step 2: Convert to fraction form
    18,306,281.66/25,260,998.93 = 10,862,660.97/x
  3. Step 3: Cross multiply
    18,306,281.66x = 25,260,998.93 × 10,862,660.97
  4. Step 4: Simplify right side
    18,306,281.66x = 274,401,667,140,122.78
  5. Step 5: Solve for x
    x = 274,401,667,140,122.78/18,306,281.66
  6. Step 6: Final answer
    x = 14,989,481.33

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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.