Home / 7,942,668.66-11,920,386.60-4,105,614.83

Finding the Fourth Proportional to 7,942,668.66, 11,920,386.60 and 4,105,614.83

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Solution

The fourth proportional to 7,942,668.66, 11,920,386.60 and 4,105,614.83 is: 6,161,721.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942,668.66 : 11,920,386.60 = 4,105,614.83 : x
  2. Step 2: Convert to fraction form
    7,942,668.66/11,920,386.60 = 4,105,614.83/x
  3. Step 3: Cross multiply
    7,942,668.66x = 11,920,386.60 × 4,105,614.83
  4. Step 4: Simplify right side
    7,942,668.66x = 48,940,515,944,691.34
  5. Step 5: Solve for x
    x = 48,940,515,944,691.34/7,942,668.66
  6. Step 6: Final answer
    x = 6,161,721.97

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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.