Home / 49,942,949.92-68,926,866-28,214,317.60

Finding the Fourth Proportional to 49,942,949.92, 68,926,866 and 28,214,317.60

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Solution

The fourth proportional to 49,942,949.92, 68,926,866 and 28,214,317.60 is: 38,938,919.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,942,949.92 : 68,926,866 = 28,214,317.60 : x
  2. Step 2: Convert to fraction form
    49,942,949.92/68,926,866 = 28,214,317.60/x
  3. Step 3: Cross multiply
    49,942,949.92x = 68,926,866 × 28,214,317.60
  4. Step 4: Simplify right side
    49,942,949.92x = 1,944,724,488,496,641.75
  5. Step 5: Solve for x
    x = 1,944,724,488,496,641.75/49,942,949.92
  6. Step 6: Final answer
    x = 38,938,919.14

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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.