Home / 13,066,213.70-19,601,936.75-7,317,123.10

Finding the Fourth Proportional to 13,066,213.70, 19,601,936.75 and 7,317,123.10

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Solution

The fourth proportional to 13,066,213.70, 19,601,936.75 and 7,317,123.10 is: 10,977,149.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066,213.70 : 19,601,936.75 = 7,317,123.10 : x
  2. Step 2: Convert to fraction form
    13,066,213.70/19,601,936.75 = 7,317,123.10/x
  3. Step 3: Cross multiply
    13,066,213.70x = 19,601,936.75 × 7,317,123.10
  4. Step 4: Simplify right side
    13,066,213.70x = 143,429,784,167,451.91
  5. Step 5: Solve for x
    x = 143,429,784,167,451.91/13,066,213.70
  6. Step 6: Final answer
    x = 10,977,149.73

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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.