Home / 7,654,771-11,478,169.87-3,610,172.79

Finding the Fourth Proportional to 7,654,771, 11,478,169.87 and 3,610,172.79

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Solution

The fourth proportional to 7,654,771, 11,478,169.87 and 3,610,172.79 is: 5,413,379.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654,771 : 11,478,169.87 = 3,610,172.79 : x
  2. Step 2: Convert to fraction form
    7,654,771/11,478,169.87 = 3,610,172.79/x
  3. Step 3: Cross multiply
    7,654,771x = 11,478,169.87 × 3,610,172.79
  4. Step 4: Simplify right side
    7,654,771x = 41,438,176,543,671.84
  5. Step 5: Solve for x
    x = 41,438,176,543,671.84/7,654,771
  6. Step 6: Final answer
    x = 5,413,379.00

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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.