Home / 18,287,140.80-27,376,902.73-12,206,791.46

Finding the Fourth Proportional to 18,287,140.80, 27,376,902.73 and 12,206,791.46

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Solution

The fourth proportional to 18,287,140.80, 27,376,902.73 and 12,206,791.46 is: 18,274,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287,140.80 : 27,376,902.73 = 12,206,791.46 : x
  2. Step 2: Convert to fraction form
    18,287,140.80/27,376,902.73 = 12,206,791.46/x
  3. Step 3: Cross multiply
    18,287,140.80x = 27,376,902.73 × 12,206,791.46
  4. Step 4: Simplify right side
    18,287,140.80x = 334,184,142,471,410.75
  5. Step 5: Solve for x
    x = 334,184,142,471,410.75/18,287,140.80
  6. Step 6: Final answer
    x = 18,274,269.67

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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.