Home / 20,151,108.45-27,808,537.14-11,449,292.49

Finding the Fourth Proportional to 20,151,108.45, 27,808,537.14 and 11,449,292.49

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Solution

The fourth proportional to 20,151,108.45, 27,808,537.14 and 11,449,292.49 is: 15,800,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151,108.45 : 27,808,537.14 = 11,449,292.49 : x
  2. Step 2: Convert to fraction form
    20,151,108.45/27,808,537.14 = 11,449,292.49/x
  3. Step 3: Cross multiply
    20,151,108.45x = 27,808,537.14 × 11,449,292.49
  4. Step 4: Simplify right side
    20,151,108.45x = 318,388,075,434,888.06
  5. Step 5: Solve for x
    x = 318,388,075,434,888.06/20,151,108.45
  6. Step 6: Final answer
    x = 15,800,027.89

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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.