Home / 22,138,970.88-30,550,462.56-12,845,821.44

Finding the Fourth Proportional to 22,138,970.88, 30,550,462.56 and 12,845,821.44

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Solution

The fourth proportional to 22,138,970.88, 30,550,462.56 and 12,845,821.44 is: 17,726,469.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138,970.88 : 30,550,462.56 = 12,845,821.44 : x
  2. Step 2: Convert to fraction form
    22,138,970.88/30,550,462.56 = 12,845,821.44/x
  3. Step 3: Cross multiply
    22,138,970.88x = 30,550,462.56 × 12,845,821.44
  4. Step 4: Simplify right side
    22,138,970.88x = 392,445,786,955,165.25
  5. Step 5: Solve for x
    x = 392,445,786,955,165.25/22,138,970.88
  6. Step 6: Final answer
    x = 17,726,469.27

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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.