Home / 18,715,813.20-25,826,899.50-10,454,234.79

Finding the Fourth Proportional to 18,715,813.20, 25,826,899.50 and 10,454,234.79

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Solution

The fourth proportional to 18,715,813.20, 25,826,899.50 and 10,454,234.79 is: 14,426,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,813.20 : 25,826,899.50 = 10,454,234.79 : x
  2. Step 2: Convert to fraction form
    18,715,813.20/25,826,899.50 = 10,454,234.79/x
  3. Step 3: Cross multiply
    18,715,813.20x = 25,826,899.50 × 10,454,234.79
  4. Step 4: Simplify right side
    18,715,813.20x = 270,000,471,270,733.59
  5. Step 5: Solve for x
    x = 270,000,471,270,733.59/18,715,813.20
  6. Step 6: Final answer
    x = 14,426,328.60

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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.