Home / 21,481,570.60-32,194,362.30-8,691,605.80

Finding the Fourth Proportional to 21,481,570.60, 32,194,362.30 and 8,691,605.80

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Solution

The fourth proportional to 21,481,570.60, 32,194,362.30 and 8,691,605.80 is: 13,026,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481,570.60 : 32,194,362.30 = 8,691,605.80 : x
  2. Step 2: Convert to fraction form
    21,481,570.60/32,194,362.30 = 8,691,605.80/x
  3. Step 3: Cross multiply
    21,481,570.60x = 32,194,362.30 × 8,691,605.80
  4. Step 4: Simplify right side
    21,481,570.60x = 279,820,706,093,981.38
  5. Step 5: Solve for x
    x = 279,820,706,093,981.38/21,481,570.60
  6. Step 6: Final answer
    x = 13,026,082.28

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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.