Home / 13,192,912.60-19,789,368.90-10,203,242.20

Finding the Fourth Proportional to 13,192,912.60, 19,789,368.90 and 10,203,242.20

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Solution

The fourth proportional to 13,192,912.60, 19,789,368.90 and 10,203,242.20 is: 15,304,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,912.60 : 19,789,368.90 = 10,203,242.20 : x
  2. Step 2: Convert to fraction form
    13,192,912.60/19,789,368.90 = 10,203,242.20/x
  3. Step 3: Cross multiply
    13,192,912.60x = 19,789,368.90 × 10,203,242.20
  4. Step 4: Simplify right side
    13,192,912.60x = 201,915,723,871,847.56
  5. Step 5: Solve for x
    x = 201,915,723,871,847.56/13,192,912.60
  6. Step 6: Final answer
    x = 15,304,863.30

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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.