Home / 13,066,217.74-19,601,942.76-7,317,127.12

Finding the Fourth Proportional to 13,066,217.74, 19,601,942.76 and 7,317,127.12

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Solution

The fourth proportional to 13,066,217.74, 19,601,942.76 and 7,317,127.12 is: 10,977,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066,217.74 : 19,601,942.76 = 7,317,127.12 : x
  2. Step 2: Convert to fraction form
    13,066,217.74/19,601,942.76 = 7,317,127.12/x
  3. Step 3: Cross multiply
    13,066,217.74x = 19,601,942.76 × 7,317,127.12
  4. Step 4: Simplify right side
    13,066,217.74x = 143,429,906,973,883.66
  5. Step 5: Solve for x
    x = 143,429,906,973,883.66/13,066,217.74
  6. Step 6: Final answer
    x = 10,977,155.73

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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.