Home / 39,861,234.05-55,008,503.46-21,526,519.55

Finding the Fourth Proportional to 39,861,234.05, 55,008,503.46 and 21,526,519.55

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Solution

The fourth proportional to 39,861,234.05, 55,008,503.46 and 21,526,519.55 is: 29,706,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861,234.05 : 55,008,503.46 = 21,526,519.55 : x
  2. Step 2: Convert to fraction form
    39,861,234.05/55,008,503.46 = 21,526,519.55/x
  3. Step 3: Cross multiply
    39,861,234.05x = 55,008,503.46 × 21,526,519.55
  4. Step 4: Simplify right side
    39,861,234.05x = 1,184,141,624,872,890.25
  5. Step 5: Solve for x
    x = 1,184,141,624,872,890.25/39,861,234.05
  6. Step 6: Final answer
    x = 29,706,597.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.