Home / 11,955,519.46-17,931,949.96-4,278,853.80

Finding the Fourth Proportional to 11,955,519.46, 17,931,949.96 and 4,278,853.80

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Solution

The fourth proportional to 11,955,519.46, 17,931,949.96 and 4,278,853.80 is: 6,417,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955,519.46 : 17,931,949.96 = 4,278,853.80 : x
  2. Step 2: Convert to fraction form
    11,955,519.46/17,931,949.96 = 4,278,853.80/x
  3. Step 3: Cross multiply
    11,955,519.46x = 17,931,949.96 × 4,278,853.80
  4. Step 4: Simplify right side
    11,955,519.46x = 76,728,192,227,755.84
  5. Step 5: Solve for x
    x = 76,728,192,227,755.84/11,955,519.46
  6. Step 6: Final answer
    x = 6,417,804.97

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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.