Home / 18,715,812.18-25,826,898.12-10,454,233.80

Finding the Fourth Proportional to 18,715,812.18, 25,826,898.12 and 10,454,233.80

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Solution

The fourth proportional to 18,715,812.18, 25,826,898.12 and 10,454,233.80 is: 14,426,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,812.18 : 25,826,898.12 = 10,454,233.80 : x
  2. Step 2: Convert to fraction form
    18,715,812.18/25,826,898.12 = 10,454,233.80/x
  3. Step 3: Cross multiply
    18,715,812.18x = 25,826,898.12 × 10,454,233.80
  4. Step 4: Simplify right side
    18,715,812.18x = 270,000,431,275,260.50
  5. Step 5: Solve for x
    x = 270,000,431,275,260.50/18,715,812.18
  6. Step 6: Final answer
    x = 14,426,327.25

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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.