Home / 18,189,383.40-27,284,075.10-12,449,820.60

Finding the Fourth Proportional to 18,189,383.40, 27,284,075.10 and 12,449,820.60

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Solution

The fourth proportional to 18,189,383.40, 27,284,075.10 and 12,449,820.60 is: 18,674,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189,383.40 : 27,284,075.10 = 12,449,820.60 : x
  2. Step 2: Convert to fraction form
    18,189,383.40/27,284,075.10 = 12,449,820.60/x
  3. Step 3: Cross multiply
    18,189,383.40x = 27,284,075.10 × 12,449,820.60
  4. Step 4: Simplify right side
    18,189,383.40x = 339,681,840,231,927.06
  5. Step 5: Solve for x
    x = 339,681,840,231,927.06/18,189,383.40
  6. Step 6: Final answer
    x = 18,674,730.90

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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.