Home / 21,838,013.80-32,757,020.70-21,554,578.60

Finding the Fourth Proportional to 21,838,013.80, 32,757,020.70 and 21,554,578.60

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Solution

The fourth proportional to 21,838,013.80, 32,757,020.70 and 21,554,578.60 is: 32,331,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,838,013.80 : 32,757,020.70 = 21,554,578.60 : x
  2. Step 2: Convert to fraction form
    21,838,013.80/32,757,020.70 = 21,554,578.60/x
  3. Step 3: Cross multiply
    21,838,013.80x = 32,757,020.70 × 21,554,578.60
  4. Step 4: Simplify right side
    21,838,013.80x = 706,063,777,379,977
  5. Step 5: Solve for x
    x = 706,063,777,379,977/21,838,013.80
  6. Step 6: Final answer
    x = 32,331,867.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.