Home / 20,412,906.55-30,614,522.73-5,839,376.72

Finding the Fourth Proportional to 20,412,906.55, 30,614,522.73 and 5,839,376.72

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Solution

The fourth proportional to 20,412,906.55, 30,614,522.73 and 5,839,376.72 is: 8,757,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,906.55 : 30,614,522.73 = 5,839,376.72 : x
  2. Step 2: Convert to fraction form
    20,412,906.55/30,614,522.73 = 5,839,376.72/x
  3. Step 3: Cross multiply
    20,412,906.55x = 30,614,522.73 × 5,839,376.72
  4. Step 4: Simplify right side
    20,412,906.55x = 178,769,731,323,472.84
  5. Step 5: Solve for x
    x = 178,769,731,323,472.84/20,412,906.55
  6. Step 6: Final answer
    x = 8,757,681.37

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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.