Home / 39,960,864.15-55,145,992.01-21,626,149.65

Finding the Fourth Proportional to 39,960,864.15, 55,145,992.01 and 21,626,149.65

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Solution

The fourth proportional to 39,960,864.15, 55,145,992.01 and 21,626,149.65 is: 29,844,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960,864.15 : 55,145,992.01 = 21,626,149.65 : x
  2. Step 2: Convert to fraction form
    39,960,864.15/55,145,992.01 = 21,626,149.65/x
  3. Step 3: Cross multiply
    39,960,864.15x = 55,145,992.01 × 21,626,149.65
  4. Step 4: Simplify right side
    39,960,864.15x = 1,192,595,475,697,833.50
  5. Step 5: Solve for x
    x = 1,192,595,475,697,833.50/39,960,864.15
  6. Step 6: Final answer
    x = 29,844,086.23

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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.