Home / 21,504,136.80-32,256,205.20-8,039,215.20

Finding the Fourth Proportional to 21,504,136.80, 32,256,205.20 and 8,039,215.20

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Solution

The fourth proportional to 21,504,136.80, 32,256,205.20 and 8,039,215.20 is: 12,058,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,136.80 : 32,256,205.20 = 8,039,215.20 : x
  2. Step 2: Convert to fraction form
    21,504,136.80/32,256,205.20 = 8,039,215.20/x
  3. Step 3: Cross multiply
    21,504,136.80x = 32,256,205.20 × 8,039,215.20
  4. Step 4: Simplify right side
    21,504,136.80x = 259,314,575,138,159.03
  5. Step 5: Solve for x
    x = 259,314,575,138,159.03/21,504,136.80
  6. Step 6: Final answer
    x = 12,058,822.80

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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.