Home / 12,082,415.80-18,144,618.90-11,704,502.20

Finding the Fourth Proportional to 12,082,415.80, 18,144,618.90 and 11,704,502.20

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Solution

The fourth proportional to 12,082,415.80, 18,144,618.90 and 11,704,502.20 is: 17,577,091.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082,415.80 : 18,144,618.90 = 11,704,502.20 : x
  2. Step 2: Convert to fraction form
    12,082,415.80/18,144,618.90 = 11,704,502.20/x
  3. Step 3: Cross multiply
    12,082,415.80x = 18,144,618.90 × 11,704,502.20
  4. Step 4: Simplify right side
    12,082,415.80x = 212,373,731,833,211.56
  5. Step 5: Solve for x
    x = 212,373,731,833,211.56/12,082,415.80
  6. Step 6: Final answer
    x = 17,577,091.81

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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.