Home / 18,650,868-27,975,017.88-11,463,511.20

Finding the Fourth Proportional to 18,650,868, 27,975,017.88 and 11,463,511.20

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Solution

The fourth proportional to 18,650,868, 27,975,017.88 and 11,463,511.20 is: 17,194,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650,868 : 27,975,017.88 = 11,463,511.20 : x
  2. Step 2: Convert to fraction form
    18,650,868/27,975,017.88 = 11,463,511.20/x
  3. Step 3: Cross multiply
    18,650,868x = 27,975,017.88 × 11,463,511.20
  4. Step 4: Simplify right side
    18,650,868x = 320,691,930,787,580.25
  5. Step 5: Solve for x
    x = 320,691,930,787,580.25/18,650,868
  6. Step 6: Final answer
    x = 17,194,477.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.