Home / 18,591,938.20-27,887,907.30-11,317,101.40

Finding the Fourth Proportional to 18,591,938.20, 27,887,907.30 and 11,317,101.40

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Solution

The fourth proportional to 18,591,938.20, 27,887,907.30 and 11,317,101.40 is: 16,975,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,938.20 : 27,887,907.30 = 11,317,101.40 : x
  2. Step 2: Convert to fraction form
    18,591,938.20/27,887,907.30 = 11,317,101.40/x
  3. Step 3: Cross multiply
    18,591,938.20x = 27,887,907.30 × 11,317,101.40
  4. Step 4: Simplify right side
    18,591,938.20x = 315,610,274,747,900.25
  5. Step 5: Solve for x
    x = 315,610,274,747,900.25/18,591,938.20
  6. Step 6: Final answer
    x = 16,975,652.10

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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.