Home / 15,965,439.96-22,032,269.82-8,722,147.80

Finding the Fourth Proportional to 15,965,439.96, 22,032,269.82 and 8,722,147.80

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Solution

The fourth proportional to 15,965,439.96, 22,032,269.82 and 8,722,147.80 is: 12,036,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965,439.96 : 22,032,269.82 = 8,722,147.80 : x
  2. Step 2: Convert to fraction form
    15,965,439.96/22,032,269.82 = 8,722,147.80/x
  3. Step 3: Cross multiply
    15,965,439.96x = 22,032,269.82 × 8,722,147.80
  4. Step 4: Simplify right side
    15,965,439.96x = 192,168,713,739,519.41
  5. Step 5: Solve for x
    x = 192,168,713,739,519.41/15,965,439.96
  6. Step 6: Final answer
    x = 12,036,543.57

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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.