Home / 21,873,184.74-30,185,858.34-12,580,740

Finding the Fourth Proportional to 21,873,184.74, 30,185,858.34 and 12,580,740

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Solution

The fourth proportional to 21,873,184.74, 30,185,858.34 and 12,580,740 is: 17,361,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,184.74 : 30,185,858.34 = 12,580,740 : x
  2. Step 2: Convert to fraction form
    21,873,184.74/30,185,858.34 = 12,580,740/x
  3. Step 3: Cross multiply
    21,873,184.74x = 30,185,858.34 × 12,580,740
  4. Step 4: Simplify right side
    21,873,184.74x = 379,760,435,452,371.62
  5. Step 5: Solve for x
    x = 379,760,435,452,371.62/21,873,184.74
  6. Step 6: Final answer
    x = 17,361,917.80

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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.