Home / 7,869,749.37-11,808,057.63-2,755,849.65

Finding the Fourth Proportional to 7,869,749.37, 11,808,057.63 and 2,755,849.65

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Solution

The fourth proportional to 7,869,749.37, 11,808,057.63 and 2,755,849.65 is: 4,134,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869,749.37 : 11,808,057.63 = 2,755,849.65 : x
  2. Step 2: Convert to fraction form
    7,869,749.37/11,808,057.63 = 2,755,849.65/x
  3. Step 3: Cross multiply
    7,869,749.37x = 11,808,057.63 × 2,755,849.65
  4. Step 4: Simplify right side
    7,869,749.37x = 32,541,231,486,815.33
  5. Step 5: Solve for x
    x = 32,541,231,486,815.33/7,869,749.37
  6. Step 6: Final answer
    x = 4,134,976.85

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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.