Home / 21,873,188.76-30,185,863.88-12,580,744

Finding the Fourth Proportional to 21,873,188.76, 30,185,863.88 and 12,580,744

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Solution

The fourth proportional to 21,873,188.76, 30,185,863.88 and 12,580,744 is: 17,361,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,188.76 : 30,185,863.88 = 12,580,744 : x
  2. Step 2: Convert to fraction form
    21,873,188.76/30,185,863.88 = 12,580,744/x
  3. Step 3: Cross multiply
    21,873,188.76x = 30,185,863.88 × 12,580,744
  4. Step 4: Simplify right side
    21,873,188.76x = 379,760,625,893,126.69
  5. Step 5: Solve for x
    x = 379,760,625,893,126.69/21,873,188.76
  6. Step 6: Final answer
    x = 17,361,923.31

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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.