Home / 10,983,912.80-16,460,122.80-8,082,638.60

Finding the Fourth Proportional to 10,983,912.80, 16,460,122.80 and 8,082,638.60

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Solution

The fourth proportional to 10,983,912.80, 16,460,122.80 and 8,082,638.60 is: 12,112,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983,912.80 : 16,460,122.80 = 8,082,638.60 : x
  2. Step 2: Convert to fraction form
    10,983,912.80/16,460,122.80 = 8,082,638.60/x
  3. Step 3: Cross multiply
    10,983,912.80x = 16,460,122.80 × 8,082,638.60
  4. Step 4: Simplify right side
    10,983,912.80x = 133,041,223,904,020.08
  5. Step 5: Solve for x
    x = 133,041,223,904,020.08/10,983,912.80
  6. Step 6: Final answer
    x = 12,112,370.73

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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.