Home / 7,479,280.89-11,218,920.66-1,799,505.27

Finding the Fourth Proportional to 7,479,280.89, 11,218,920.66 and 1,799,505.27

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Solution

The fourth proportional to 7,479,280.89, 11,218,920.66 and 1,799,505.27 is: 2,699,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479,280.89 : 11,218,920.66 = 1,799,505.27 : x
  2. Step 2: Convert to fraction form
    7,479,280.89/11,218,920.66 = 1,799,505.27/x
  3. Step 3: Cross multiply
    7,479,280.89x = 11,218,920.66 × 1,799,505.27
  4. Step 4: Simplify right side
    7,479,280.89x = 20,188,506,851,381.88
  5. Step 5: Solve for x
    x = 20,188,506,851,381.88/7,479,280.89
  6. Step 6: Final answer
    x = 2,699,257.74

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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.