Home / 12,882,996.20-17,778,755.73-7,082,022.44

Finding the Fourth Proportional to 12,882,996.20, 17,778,755.73 and 7,082,022.44

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Solution

The fourth proportional to 12,882,996.20, 17,778,755.73 and 7,082,022.44 is: 9,773,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,996.20 : 17,778,755.73 = 7,082,022.44 : x
  2. Step 2: Convert to fraction form
    12,882,996.20/17,778,755.73 = 7,082,022.44/x
  3. Step 3: Cross multiply
    12,882,996.20x = 17,778,755.73 × 7,082,022.44
  4. Step 4: Simplify right side
    12,882,996.20x = 125,909,546,946,244.80
  5. Step 5: Solve for x
    x = 125,909,546,946,244.80/12,882,996.20
  6. Step 6: Final answer
    x = 9,773,312.44

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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.