Home / 20,175,198.34-27,809,249.52-13,646,446.87

Finding the Fourth Proportional to 20,175,198.34, 27,809,249.52 and 13,646,446.87

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Solution

The fourth proportional to 20,175,198.34, 27,809,249.52 and 13,646,446.87 is: 18,810,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175,198.34 : 27,809,249.52 = 13,646,446.87 : x
  2. Step 2: Convert to fraction form
    20,175,198.34/27,809,249.52 = 13,646,446.87/x
  3. Step 3: Cross multiply
    20,175,198.34x = 27,809,249.52 × 13,646,446.87
  4. Step 4: Simplify right side
    20,175,198.34x = 379,497,446,069,253
  5. Step 5: Solve for x
    x = 379,497,446,069,253/20,175,198.34
  6. Step 6: Final answer
    x = 18,810,097.41

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1.5x scale

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.