Home / 18,620,234.75-25,695,521.20-10,780,077.62

Finding the Fourth Proportional to 18,620,234.75, 25,695,521.20 and 10,780,077.62

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Solution

The fourth proportional to 18,620,234.75, 25,695,521.20 and 10,780,077.62 is: 14,876,273.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620,234.75 : 25,695,521.20 = 10,780,077.62 : x
  2. Step 2: Convert to fraction form
    18,620,234.75/25,695,521.20 = 10,780,077.62/x
  3. Step 3: Cross multiply
    18,620,234.75x = 25,695,521.20 × 10,780,077.62
  4. Step 4: Simplify right side
    18,620,234.75x = 276,999,713,022,355.50
  5. Step 5: Solve for x
    x = 276,999,713,022,355.50/18,620,234.75
  6. Step 6: Final answer
    x = 14,876,273.94

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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.