Home / 13,000,467.92-17,940,629.53-7,199,242.65

Finding the Fourth Proportional to 13,000,467.92, 17,940,629.53 and 7,199,242.65

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Solution

The fourth proportional to 13,000,467.92, 17,940,629.53 and 7,199,242.65 is: 9,934,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,467.92 : 17,940,629.53 = 7,199,242.65 : x
  2. Step 2: Convert to fraction form
    13,000,467.92/17,940,629.53 = 7,199,242.65/x
  3. Step 3: Cross multiply
    13,000,467.92x = 17,940,629.53 × 7,199,242.65
  4. Step 4: Simplify right side
    13,000,467.92x = 129,158,945,262,227.36
  5. Step 5: Solve for x
    x = 129,158,945,262,227.36/13,000,467.92
  6. Step 6: Final answer
    x = 9,934,945.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.