Home / 6,612,748.86-9,904,021.57-3,156,919.46

Finding the Fourth Proportional to 6,612,748.86, 9,904,021.57 and 3,156,919.46

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Solution

The fourth proportional to 6,612,748.86, 9,904,021.57 and 3,156,919.46 is: 4,728,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612,748.86 : 9,904,021.57 = 3,156,919.46 : x
  2. Step 2: Convert to fraction form
    6,612,748.86/9,904,021.57 = 3,156,919.46/x
  3. Step 3: Cross multiply
    6,612,748.86x = 9,904,021.57 × 3,156,919.46
  4. Step 4: Simplify right side
    6,612,748.86x = 31,266,198,473,868.99
  5. Step 5: Solve for x
    x = 31,266,198,473,868.99/6,612,748.86
  6. Step 6: Final answer
    x = 4,728,169.65

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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.