Home / 20,996,841.34-28,975,640.88-11,339,049.34

Finding the Fourth Proportional to 20,996,841.34, 28,975,640.88 and 11,339,049.34

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Solution

The fourth proportional to 20,996,841.34, 28,975,640.88 and 11,339,049.34 is: 15,647,888.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,841.34 : 28,975,640.88 = 11,339,049.34 : x
  2. Step 2: Convert to fraction form
    20,996,841.34/28,975,640.88 = 11,339,049.34/x
  3. Step 3: Cross multiply
    20,996,841.34x = 28,975,640.88 × 11,339,049.34
  4. Step 4: Simplify right side
    20,996,841.34x = 328,556,221,596,441
  5. Step 5: Solve for x
    x = 328,556,221,596,441/20,996,841.34
  6. Step 6: Final answer
    x = 15,647,888.00

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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.