Home / 21,271,187.53-31,907,912.75-6,699,246.62

Finding the Fourth Proportional to 21,271,187.53, 31,907,912.75 and 6,699,246.62

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Solution

The fourth proportional to 21,271,187.53, 31,907,912.75 and 6,699,246.62 is: 10,049,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,271,187.53 : 31,907,912.75 = 6,699,246.62 : x
  2. Step 2: Convert to fraction form
    21,271,187.53/31,907,912.75 = 6,699,246.62/x
  3. Step 3: Cross multiply
    21,271,187.53x = 31,907,912.75 × 6,699,246.62
  4. Step 4: Simplify right side
    21,271,187.53x = 213,758,976,641,692.41
  5. Step 5: Solve for x
    x = 213,758,976,641,692.41/21,271,187.53
  6. Step 6: Final answer
    x = 10,049,226.28

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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.