Home / 15,854,934.04-21,879,436.84-9,328,986.18

Finding the Fourth Proportional to 15,854,934.04, 21,879,436.84 and 9,328,986.18

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Solution

The fourth proportional to 15,854,934.04, 21,879,436.84 and 9,328,986.18 is: 12,873,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,854,934.04 : 21,879,436.84 = 9,328,986.18 : x
  2. Step 2: Convert to fraction form
    15,854,934.04/21,879,436.84 = 9,328,986.18/x
  3. Step 3: Cross multiply
    15,854,934.04x = 21,879,436.84 × 9,328,986.18
  4. Step 4: Simplify right side
    15,854,934.04x = 204,112,963,906,542.88
  5. Step 5: Solve for x
    x = 204,112,963,906,542.88/15,854,934.04
  6. Step 6: Final answer
    x = 12,873,781.97

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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.