Home / 20,682,912.60-31,024,368.90-7,051,450.95

Finding the Fourth Proportional to 20,682,912.60, 31,024,368.90 and 7,051,450.95

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Solution

The fourth proportional to 20,682,912.60, 31,024,368.90 and 7,051,450.95 is: 10,577,176.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682,912.60 : 31,024,368.90 = 7,051,450.95 : x
  2. Step 2: Convert to fraction form
    20,682,912.60/31,024,368.90 = 7,051,450.95/x
  3. Step 3: Cross multiply
    20,682,912.60x = 31,024,368.90 × 7,051,450.95
  4. Step 4: Simplify right side
    20,682,912.60x = 218,766,815,553,055.44
  5. Step 5: Solve for x
    x = 218,766,815,553,055.44/20,682,912.60
  6. Step 6: Final answer
    x = 10,577,176.43

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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.