Home / 39,960,928.92-55,146,081.24-21,626,214.42

Finding the Fourth Proportional to 39,960,928.92, 55,146,081.24 and 21,626,214.42

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Solution

The fourth proportional to 39,960,928.92, 55,146,081.24 and 21,626,214.42 is: 29,844,175.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960,928.92 : 55,146,081.24 = 21,626,214.42 : x
  2. Step 2: Convert to fraction form
    39,960,928.92/55,146,081.24 = 21,626,214.42/x
  3. Step 3: Cross multiply
    39,960,928.92x = 55,146,081.24 × 21,626,214.42
  4. Step 4: Simplify right side
    39,960,928.92x = 1,192,600,977,318,979.50
  5. Step 5: Solve for x
    x = 1,192,600,977,318,979.50/39,960,928.92
  6. Step 6: Final answer
    x = 29,844,175.54

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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.