Home / 12,253,508.85-18,380,354.40-4,578,888.45

Finding the Fourth Proportional to 12,253,508.85, 18,380,354.40 and 4,578,888.45

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Solution

The fourth proportional to 12,253,508.85, 18,380,354.40 and 4,578,888.45 is: 6,868,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,508.85 : 18,380,354.40 = 4,578,888.45 : x
  2. Step 2: Convert to fraction form
    12,253,508.85/18,380,354.40 = 4,578,888.45/x
  3. Step 3: Cross multiply
    12,253,508.85x = 18,380,354.40 × 4,578,888.45
  4. Step 4: Simplify right side
    12,253,508.85x = 84,161,592,469,066.67
  5. Step 5: Solve for x
    x = 84,161,592,469,066.67/12,253,508.85
  6. Step 6: Final answer
    x = 6,868,366.73

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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.