Home / 20,996,884.75-28,975,701.36-11,339,092.75

Finding the Fourth Proportional to 20,996,884.75, 28,975,701.36 and 11,339,092.75

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Solution

The fourth proportional to 20,996,884.75, 28,975,701.36 and 11,339,092.75 is: 15,647,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,884.75 : 28,975,701.36 = 11,339,092.75 : x
  2. Step 2: Convert to fraction form
    20,996,884.75/28,975,701.36 = 11,339,092.75/x
  3. Step 3: Cross multiply
    20,996,884.75x = 28,975,701.36 × 11,339,092.75
  4. Step 4: Simplify right side
    20,996,884.75x = 328,558,165,217,341.12
  5. Step 5: Solve for x
    x = 328,558,165,217,341.12/20,996,884.75
  6. Step 6: Final answer
    x = 15,647,948.21

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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.