Home / 20,571,750.12-30,852,902.97-12,264,904.02

Finding the Fourth Proportional to 20,571,750.12, 30,852,902.97 and 12,264,904.02

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Solution

The fourth proportional to 20,571,750.12, 30,852,902.97 and 12,264,904.02 is: 18,394,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571,750.12 : 30,852,902.97 = 12,264,904.02 : x
  2. Step 2: Convert to fraction form
    20,571,750.12/30,852,902.97 = 12,264,904.02/x
  3. Step 3: Cross multiply
    20,571,750.12x = 30,852,902.97 × 12,264,904.02
  4. Step 4: Simplify right side
    20,571,750.12x = 378,407,893,665,422.94
  5. Step 5: Solve for x
    x = 378,407,893,665,422.94/20,571,750.12
  6. Step 6: Final answer
    x = 18,394,540.64

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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.