Home / 13,026,177.94-17,964,364.53-8,131,851.22

Finding the Fourth Proportional to 13,026,177.94, 17,964,364.53 and 8,131,851.22

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Solution

The fourth proportional to 13,026,177.94, 17,964,364.53 and 8,131,851.22 is: 11,214,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026,177.94 : 17,964,364.53 = 8,131,851.22 : x
  2. Step 2: Convert to fraction form
    13,026,177.94/17,964,364.53 = 8,131,851.22/x
  3. Step 3: Cross multiply
    13,026,177.94x = 17,964,364.53 × 8,131,851.22
  4. Step 4: Simplify right side
    13,026,177.94x = 146,083,539,619,805.22
  5. Step 5: Solve for x
    x = 146,083,539,619,805.22/13,026,177.94
  6. Step 6: Final answer
    x = 11,214,612.63

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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.