Home / 21,579,352.40-32,381,470.20-8,125,835.60

Finding the Fourth Proportional to 21,579,352.40, 32,381,470.20 and 8,125,835.60

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Solution

The fourth proportional to 21,579,352.40, 32,381,470.20 and 8,125,835.60 is: 12,193,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,579,352.40 : 32,381,470.20 = 8,125,835.60 : x
  2. Step 2: Convert to fraction form
    21,579,352.40/32,381,470.20 = 8,125,835.60/x
  3. Step 3: Cross multiply
    21,579,352.40x = 32,381,470.20 × 8,125,835.60
  4. Step 4: Simplify right side
    21,579,352.40x = 263,126,503,331,499.09
  5. Step 5: Solve for x
    x = 263,126,503,331,499.09/21,579,352.40
  6. Step 6: Final answer
    x = 12,193,438.36

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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.