Home / 18,626,748.80-27,972,004.80-10,123,692.80

Finding the Fourth Proportional to 18,626,748.80, 27,972,004.80 and 10,123,692.80

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Solution

The fourth proportional to 18,626,748.80, 27,972,004.80 and 10,123,692.80 is: 15,202,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626,748.80 : 27,972,004.80 = 10,123,692.80 : x
  2. Step 2: Convert to fraction form
    18,626,748.80/27,972,004.80 = 10,123,692.80/x
  3. Step 3: Cross multiply
    18,626,748.80x = 27,972,004.80 × 10,123,692.80
  4. Step 4: Simplify right side
    18,626,748.80x = 283,179,983,595,325.44
  5. Step 5: Solve for x
    x = 283,179,983,595,325.44/18,626,748.80
  6. Step 6: Final answer
    x = 15,202,866.94

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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.