Home / 20,272,294.20-30,408,187.56-4,919,711.04

Finding the Fourth Proportional to 20,272,294.20, 30,408,187.56 and 4,919,711.04

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Solution

The fourth proportional to 20,272,294.20, 30,408,187.56 and 4,919,711.04 is: 7,379,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272,294.20 : 30,408,187.56 = 4,919,711.04 : x
  2. Step 2: Convert to fraction form
    20,272,294.20/30,408,187.56 = 4,919,711.04/x
  3. Step 3: Cross multiply
    20,272,294.20x = 30,408,187.56 × 4,919,711.04
  4. Step 4: Simplify right side
    20,272,294.20x = 149,599,496,045,322.66
  5. Step 5: Solve for x
    x = 149,599,496,045,322.66/20,272,294.20
  6. Step 6: Final answer
    x = 7,379,504.98

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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.