Home / 21,715,525.60-32,591,659.20-8,945,195.20

Finding the Fourth Proportional to 21,715,525.60, 32,591,659.20 and 8,945,195.20

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Solution

The fourth proportional to 21,715,525.60, 32,591,659.20 and 8,945,195.20 is: 13,425,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715,525.60 : 32,591,659.20 = 8,945,195.20 : x
  2. Step 2: Convert to fraction form
    21,715,525.60/32,591,659.20 = 8,945,195.20/x
  3. Step 3: Cross multiply
    21,715,525.60x = 32,591,659.20 × 8,945,195.20
  4. Step 4: Simplify right side
    21,715,525.60x = 291,538,753,435,875.81
  5. Step 5: Solve for x
    x = 291,538,753,435,875.81/21,715,525.60
  6. Step 6: Final answer
    x = 13,425,360.21

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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.