Home / 21,903,709.73-30,236,426.54-13,647,851.01

Finding the Fourth Proportional to 21,903,709.73, 30,236,426.54 and 13,647,851.01

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Solution

The fourth proportional to 21,903,709.73, 30,236,426.54 and 13,647,851.01 is: 18,839,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,903,709.73 : 30,236,426.54 = 13,647,851.01 : x
  2. Step 2: Convert to fraction form
    21,903,709.73/30,236,426.54 = 13,647,851.01/x
  3. Step 3: Cross multiply
    21,903,709.73x = 30,236,426.54 × 13,647,851.01
  4. Step 4: Simplify right side
    21,903,709.73x = 412,662,244,424,490.56
  5. Step 5: Solve for x
    x = 412,662,244,424,490.56/21,903,709.73
  6. Step 6: Final answer
    x = 18,839,833.51

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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.