Home / 11,920,140.82-17,882,876.64-4,347,106.57

Finding the Fourth Proportional to 11,920,140.82, 17,882,876.64 and 4,347,106.57

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Solution

The fourth proportional to 11,920,140.82, 17,882,876.64 and 4,347,106.57 is: 6,521,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920,140.82 : 17,882,876.64 = 4,347,106.57 : x
  2. Step 2: Convert to fraction form
    11,920,140.82/17,882,876.64 = 4,347,106.57/x
  3. Step 3: Cross multiply
    11,920,140.82x = 17,882,876.64 × 4,347,106.57
  4. Step 4: Simplify right side
    11,920,140.82x = 77,738,770,532,243.53
  5. Step 5: Solve for x
    x = 77,738,770,532,243.53/11,920,140.82
  6. Step 6: Final answer
    x = 6,521,631.89

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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.