Home / 21,504,579.80-32,256,869.70-8,039,658.20

Finding the Fourth Proportional to 21,504,579.80, 32,256,869.70 and 8,039,658.20

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Solution

The fourth proportional to 21,504,579.80, 32,256,869.70 and 8,039,658.20 is: 12,059,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,579.80 : 32,256,869.70 = 8,039,658.20 : x
  2. Step 2: Convert to fraction form
    21,504,579.80/32,256,869.70 = 8,039,658.20/x
  3. Step 3: Cross multiply
    21,504,579.80x = 32,256,869.70 × 8,039,658.20
  4. Step 4: Simplify right side
    21,504,579.80x = 259,334,206,989,936.53
  5. Step 5: Solve for x
    x = 259,334,206,989,936.53/21,504,579.80
  6. Step 6: Final answer
    x = 12,059,487.30

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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.