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Finding the Fourth Proportional to 11,631,309.12, 17,449,763.04 and 4,901,647.68

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Solution

The fourth proportional to 11,631,309.12, 17,449,763.04 and 4,901,647.68 is: 7,353,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631,309.12 : 17,449,763.04 = 4,901,647.68 : x
  2. Step 2: Convert to fraction form
    11,631,309.12/17,449,763.04 = 4,901,647.68/x
  3. Step 3: Cross multiply
    11,631,309.12x = 17,449,763.04 × 4,901,647.68
  4. Step 4: Simplify right side
    11,631,309.12x = 85,532,590,521,565.73
  5. Step 5: Solve for x
    x = 85,532,590,521,565.73/11,631,309.12
  6. Step 6: Final answer
    x = 7,353,651.22

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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.