Home / 21,579,350.40-32,381,467.20-8,125,833.60

Finding the Fourth Proportional to 21,579,350.40, 32,381,467.20 and 8,125,833.60

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Solution

The fourth proportional to 21,579,350.40, 32,381,467.20 and 8,125,833.60 is: 12,193,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,579,350.40 : 32,381,467.20 = 8,125,833.60 : x
  2. Step 2: Convert to fraction form
    21,579,350.40/32,381,467.20 = 8,125,833.60/x
  3. Step 3: Cross multiply
    21,579,350.40x = 32,381,467.20 × 8,125,833.60
  4. Step 4: Simplify right side
    21,579,350.40x = 263,126,414,191,057.91
  5. Step 5: Solve for x
    x = 263,126,414,191,057.91/21,579,350.40
  6. Step 6: Final answer
    x = 12,193,435.36

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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.