Home / 18,851,565.96-28,279,563.48-6,722,753.94

Finding the Fourth Proportional to 18,851,565.96, 28,279,563.48 and 6,722,753.94

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Solution

The fourth proportional to 18,851,565.96, 28,279,563.48 and 6,722,753.94 is: 10,084,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851,565.96 : 28,279,563.48 = 6,722,753.94 : x
  2. Step 2: Convert to fraction form
    18,851,565.96/28,279,563.48 = 6,722,753.94/x
  3. Step 3: Cross multiply
    18,851,565.96x = 28,279,563.48 × 6,722,753.94
  4. Step 4: Simplify right side
    18,851,565.96x = 190,116,546,806,650.12
  5. Step 5: Solve for x
    x = 190,116,546,806,650.12/18,851,565.96
  6. Step 6: Final answer
    x = 10,084,920.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.