Home / 21,570,724.62-29,767,552.79-11,781,169.65

Finding the Fourth Proportional to 21,570,724.62, 29,767,552.79 and 11,781,169.65

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Solution

The fourth proportional to 21,570,724.62, 29,767,552.79 and 11,781,169.65 is: 16,257,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,570,724.62 : 29,767,552.79 = 11,781,169.65 : x
  2. Step 2: Convert to fraction form
    21,570,724.62/29,767,552.79 = 11,781,169.65/x
  3. Step 3: Cross multiply
    21,570,724.62x = 29,767,552.79 × 11,781,169.65
  4. Step 4: Simplify right side
    21,570,724.62x = 350,696,589,425,415
  5. Step 5: Solve for x
    x = 350,696,589,425,415/21,570,724.62
  6. Step 6: Final answer
    x = 16,257,988.34

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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.