Home / 13,147,327.70-19,720,991.55-8,082,214.10

Finding the Fourth Proportional to 13,147,327.70, 19,720,991.55 and 8,082,214.10

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Solution

The fourth proportional to 13,147,327.70, 19,720,991.55 and 8,082,214.10 is: 12,123,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,327.70 : 19,720,991.55 = 8,082,214.10 : x
  2. Step 2: Convert to fraction form
    13,147,327.70/19,720,991.55 = 8,082,214.10/x
  3. Step 3: Cross multiply
    13,147,327.70x = 19,720,991.55 × 8,082,214.10
  4. Step 4: Simplify right side
    13,147,327.70x = 159,389,275,971,390.84
  5. Step 5: Solve for x
    x = 159,389,275,971,390.84/13,147,327.70
  6. Step 6: Final answer
    x = 12,123,321.15

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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.