Home / 28,783,553.85-39,721,239.68-16,393,646.43

Finding the Fourth Proportional to 28,783,553.85, 39,721,239.68 and 16,393,646.43

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Solution

The fourth proportional to 28,783,553.85, 39,721,239.68 and 16,393,646.43 is: 22,623,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783,553.85 : 39,721,239.68 = 16,393,646.43 : x
  2. Step 2: Convert to fraction form
    28,783,553.85/39,721,239.68 = 16,393,646.43/x
  3. Step 3: Cross multiply
    28,783,553.85x = 39,721,239.68 × 16,393,646.43
  4. Step 4: Simplify right side
    28,783,553.85x = 651,175,958,993,238
  5. Step 5: Solve for x
    x = 651,175,958,993,238/28,783,553.85
  6. Step 6: Final answer
    x = 22,623,195.26

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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.