Home / 21,801,228-32,670,993.45-12,090,112.47

Finding the Fourth Proportional to 21,801,228, 32,670,993.45 and 12,090,112.47

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Solution

The fourth proportional to 21,801,228, 32,670,993.45 and 12,090,112.47 is: 18,118,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,801,228 : 32,670,993.45 = 12,090,112.47 : x
  2. Step 2: Convert to fraction form
    21,801,228/32,670,993.45 = 12,090,112.47/x
  3. Step 3: Cross multiply
    21,801,228x = 32,670,993.45 × 12,090,112.47
  4. Step 4: Simplify right side
    21,801,228x = 394,995,985,317,133.31
  5. Step 5: Solve for x
    x = 394,995,985,317,133.31/21,801,228
  6. Step 6: Final answer
    x = 18,118,061.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.