Home / 20,061,975.84-27,685,847.16-11,359,912.56

Finding the Fourth Proportional to 20,061,975.84, 27,685,847.16 and 11,359,912.56

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Solution

The fourth proportional to 20,061,975.84, 27,685,847.16 and 11,359,912.56 is: 15,676,860.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061,975.84 : 27,685,847.16 = 11,359,912.56 : x
  2. Step 2: Convert to fraction form
    20,061,975.84/27,685,847.16 = 11,359,912.56/x
  3. Step 3: Cross multiply
    20,061,975.84x = 27,685,847.16 × 11,359,912.56
  4. Step 4: Simplify right side
    20,061,975.84x = 314,508,802,887,124.38
  5. Step 5: Solve for x
    x = 314,508,802,887,124.38/20,061,975.84
  6. Step 6: Final answer
    x = 15,676,860.81

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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.