Home / 21,986,520.80-32,979,781.20-16,317,816.80

Finding the Fourth Proportional to 21,986,520.80, 32,979,781.20 and 16,317,816.80

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Solution

The fourth proportional to 21,986,520.80, 32,979,781.20 and 16,317,816.80 is: 24,476,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,986,520.80 : 32,979,781.20 = 16,317,816.80 : x
  2. Step 2: Convert to fraction form
    21,986,520.80/32,979,781.20 = 16,317,816.80/x
  3. Step 3: Cross multiply
    21,986,520.80x = 32,979,781.20 × 16,317,816.80
  4. Step 4: Simplify right side
    21,986,520.80x = 538,158,027,725,684.19
  5. Step 5: Solve for x
    x = 538,158,027,725,684.19/21,986,520.80
  6. Step 6: Final answer
    x = 24,476,725.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.