Home / 21,890,999.20-32,836,498.80-9,107,255.20

Finding the Fourth Proportional to 21,890,999.20, 32,836,498.80 and 9,107,255.20

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Solution

The fourth proportional to 21,890,999.20, 32,836,498.80 and 9,107,255.20 is: 13,660,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,890,999.20 : 32,836,498.80 = 9,107,255.20 : x
  2. Step 2: Convert to fraction form
    21,890,999.20/32,836,498.80 = 9,107,255.20/x
  3. Step 3: Cross multiply
    21,890,999.20x = 32,836,498.80 × 9,107,255.20
  4. Step 4: Simplify right side
    21,890,999.20x = 299,050,374,446,093.75
  5. Step 5: Solve for x
    x = 299,050,374,446,093.75/21,890,999.20
  6. Step 6: Final answer
    x = 13,660,882.80

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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.