Home / 21,987,777.57-30,330,526.41-13,713,474.71

Finding the Fourth Proportional to 21,987,777.57, 30,330,526.41 and 13,713,474.71

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Solution

The fourth proportional to 21,987,777.57, 30,330,526.41 and 13,713,474.71 is: 18,916,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987,777.57 : 30,330,526.41 = 13,713,474.71 : x
  2. Step 2: Convert to fraction form
    21,987,777.57/30,330,526.41 = 13,713,474.71/x
  3. Step 3: Cross multiply
    21,987,777.57x = 30,330,526.41 × 13,713,474.71
  4. Step 4: Simplify right side
    21,987,777.57x = 415,936,906,712,869.44
  5. Step 5: Solve for x
    x = 415,936,906,712,869.44/21,987,777.57
  6. Step 6: Final answer
    x = 18,916,732.51

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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.