Home / 7,981,412.49-11,014,348.82-4,310,328.71

Finding the Fourth Proportional to 7,981,412.49, 11,014,348.82 and 4,310,328.71

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Solution

The fourth proportional to 7,981,412.49, 11,014,348.82 and 4,310,328.71 is: 5,948,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,412.49 : 11,014,348.82 = 4,310,328.71 : x
  2. Step 2: Convert to fraction form
    7,981,412.49/11,014,348.82 = 4,310,328.71/x
  3. Step 3: Cross multiply
    7,981,412.49x = 11,014,348.82 × 4,310,328.71
  4. Step 4: Simplify right side
    7,981,412.49x = 47,475,463,864,177.23
  5. Step 5: Solve for x
    x = 47,475,463,864,177.23/7,981,412.49
  6. Step 6: Final answer
    x = 5,948,253.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.