Home / 20,571,476.72-30,858,894.26-10,331,069.94

Finding the Fourth Proportional to 20,571,476.72, 30,858,894.26 and 10,331,069.94

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Solution

The fourth proportional to 20,571,476.72, 30,858,894.26 and 10,331,069.94 is: 15,497,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571,476.72 : 30,858,894.26 = 10,331,069.94 : x
  2. Step 2: Convert to fraction form
    20,571,476.72/30,858,894.26 = 10,331,069.94/x
  3. Step 3: Cross multiply
    20,571,476.72x = 30,858,894.26 × 10,331,069.94
  4. Step 4: Simplify right side
    20,571,476.72x = 318,805,394,871,124.56
  5. Step 5: Solve for x
    x = 318,805,394,871,124.56/20,571,476.72
  6. Step 6: Final answer
    x = 15,497,448.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.