Home / 12,738,180.48-17,577,892.80-7,015,044.48

Finding the Fourth Proportional to 12,738,180.48, 17,577,892.80 and 7,015,044.48

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Solution

The fourth proportional to 12,738,180.48, 17,577,892.80 and 7,015,044.48 is: 9,680,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738,180.48 : 17,577,892.80 = 7,015,044.48 : x
  2. Step 2: Convert to fraction form
    12,738,180.48/17,577,892.80 = 7,015,044.48/x
  3. Step 3: Cross multiply
    12,738,180.48x = 17,577,892.80 × 7,015,044.48
  4. Step 4: Simplify right side
    12,738,180.48x = 123,309,699,856,671.75
  5. Step 5: Solve for x
    x = 123,309,699,856,671.75/12,738,180.48
  6. Step 6: Final answer
    x = 9,680,322.87

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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.