Home / 12,802,489.98-17,662,077.36-8,393,274.42

Finding the Fourth Proportional to 12,802,489.98, 17,662,077.36 and 8,393,274.42

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Solution

The fourth proportional to 12,802,489.98, 17,662,077.36 and 8,393,274.42 is: 11,579,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,802,489.98 : 17,662,077.36 = 8,393,274.42 : x
  2. Step 2: Convert to fraction form
    12,802,489.98/17,662,077.36 = 8,393,274.42/x
  3. Step 3: Cross multiply
    12,802,489.98x = 17,662,077.36 × 8,393,274.42
  4. Step 4: Simplify right side
    12,802,489.98x = 148,242,662,109,749.12
  5. Step 5: Solve for x
    x = 148,242,662,109,749.12/12,802,489.98
  6. Step 6: Final answer
    x = 11,579,205.48

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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.