Home / 13,149,390.80-19,724,086.20-10,757,906.30

Finding the Fourth Proportional to 13,149,390.80, 19,724,086.20 and 10,757,906.30

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Solution

The fourth proportional to 13,149,390.80, 19,724,086.20 and 10,757,906.30 is: 16,136,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,390.80 : 19,724,086.20 = 10,757,906.30 : x
  2. Step 2: Convert to fraction form
    13,149,390.80/19,724,086.20 = 10,757,906.30/x
  3. Step 3: Cross multiply
    13,149,390.80x = 19,724,086.20 × 10,757,906.30
  4. Step 4: Simplify right side
    13,149,390.80x = 212,189,871,192,723.06
  5. Step 5: Solve for x
    x = 212,189,871,192,723.06/13,149,390.80
  6. Step 6: Final answer
    x = 16,136,859.45

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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.