Home / 20,996,886-28,975,703.10-11,339,094

Finding the Fourth Proportional to 20,996,886, 28,975,703.10 and 11,339,094

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Solution

The fourth proportional to 20,996,886, 28,975,703.10 and 11,339,094 is: 15,647,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,886 : 28,975,703.10 = 11,339,094 : x
  2. Step 2: Convert to fraction form
    20,996,886/28,975,703.10 = 11,339,094/x
  3. Step 3: Cross multiply
    20,996,886x = 28,975,703.10 × 11,339,094
  4. Step 4: Simplify right side
    20,996,886x = 328,558,221,166,991.44
  5. Step 5: Solve for x
    x = 328,558,221,166,991.44/20,996,886
  6. Step 6: Final answer
    x = 15,647,949.95

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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.