Home / 21,903,693.34-30,236,403.92-13,647,834.62

Finding the Fourth Proportional to 21,903,693.34, 30,236,403.92 and 13,647,834.62

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Solution

The fourth proportional to 21,903,693.34, 30,236,403.92 and 13,647,834.62 is: 18,839,810.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,903,693.34 : 30,236,403.92 = 13,647,834.62 : x
  2. Step 2: Convert to fraction form
    21,903,693.34/30,236,403.92 = 13,647,834.62/x
  3. Step 3: Cross multiply
    21,903,693.34x = 30,236,403.92 × 13,647,834.62
  4. Step 4: Simplify right side
    21,903,693.34x = 412,661,440,203,679.69
  5. Step 5: Solve for x
    x = 412,661,440,203,679.69/21,903,693.34
  6. Step 6: Final answer
    x = 18,839,810.88

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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.