Home / 7,831,912.38-11,747,869.29-2,783,422.14

Finding the Fourth Proportional to 7,831,912.38, 11,747,869.29 and 2,783,422.14

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Solution

The fourth proportional to 7,831,912.38, 11,747,869.29 and 2,783,422.14 is: 4,175,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,912.38 : 11,747,869.29 = 2,783,422.14 : x
  2. Step 2: Convert to fraction form
    7,831,912.38/11,747,869.29 = 2,783,422.14/x
  3. Step 3: Cross multiply
    7,831,912.38x = 11,747,869.29 × 2,783,422.14
  4. Step 4: Simplify right side
    7,831,912.38x = 32,699,279,479,612.08
  5. Step 5: Solve for x
    x = 32,699,279,479,612.08/7,831,912.38
  6. Step 6: Final answer
    x = 4,175,133.47

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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.