Home / 31,969,969.20-47,915,587.80-21,734,809.20

Finding the Fourth Proportional to 31,969,969.20, 47,915,587.80 and 21,734,809.20

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Solution

The fourth proportional to 31,969,969.20, 47,915,587.80 and 21,734,809.20 is: 32,575,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,969,969.20 : 47,915,587.80 = 21,734,809.20 : x
  2. Step 2: Convert to fraction form
    31,969,969.20/47,915,587.80 = 21,734,809.20/x
  3. Step 3: Cross multiply
    31,969,969.20x = 47,915,587.80 × 21,734,809.20
  4. Step 4: Simplify right side
    31,969,969.20x = 1,041,436,158,538,847.62
  5. Step 5: Solve for x
    x = 1,041,436,158,538,847.62/31,969,969.20
  6. Step 6: Final answer
    x = 32,575,450.79

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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.