Home / 15,986,305.23-22,061,085.66-8,644,120.80

Finding the Fourth Proportional to 15,986,305.23, 22,061,085.66 and 8,644,120.80

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Solution

The fourth proportional to 15,986,305.23, 22,061,085.66 and 8,644,120.80 is: 11,928,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986,305.23 : 22,061,085.66 = 8,644,120.80 : x
  2. Step 2: Convert to fraction form
    15,986,305.23/22,061,085.66 = 8,644,120.80/x
  3. Step 3: Cross multiply
    15,986,305.23x = 22,061,085.66 × 8,644,120.80
  4. Step 4: Simplify right side
    15,986,305.23x = 190,698,689,424,187.75
  5. Step 5: Solve for x
    x = 190,698,689,424,187.75/15,986,305.23
  6. Step 6: Final answer
    x = 11,928,878.29

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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.