Home / 28,419,782.20-42,566,687.70-22,009,247.80

Finding the Fourth Proportional to 28,419,782.20, 42,566,687.70 and 22,009,247.80

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Solution

The fourth proportional to 28,419,782.20, 42,566,687.70 and 22,009,247.80 is: 32,965,093.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,419,782.20 : 42,566,687.70 = 22,009,247.80 : x
  2. Step 2: Convert to fraction form
    28,419,782.20/42,566,687.70 = 22,009,247.80/x
  3. Step 3: Cross multiply
    28,419,782.20x = 42,566,687.70 × 22,009,247.80
  4. Step 4: Simplify right side
    28,419,782.20x = 936,860,777,614,512.12
  5. Step 5: Solve for x
    x = 936,860,777,614,512.12/28,419,782.20
  6. Step 6: Final answer
    x = 32,965,093.50

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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.