Home / 7,887,709.50-11,832,871.59-2,768,811.21

Finding the Fourth Proportional to 7,887,709.50, 11,832,871.59 and 2,768,811.21

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Solution

The fourth proportional to 7,887,709.50, 11,832,871.59 and 2,768,811.21 is: 4,153,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,709.50 : 11,832,871.59 = 2,768,811.21 : x
  2. Step 2: Convert to fraction form
    7,887,709.50/11,832,871.59 = 2,768,811.21/x
  3. Step 3: Cross multiply
    7,887,709.50x = 11,832,871.59 × 2,768,811.21
  4. Step 4: Simplify right side
    7,887,709.50x = 32,762,987,504,882.52
  5. Step 5: Solve for x
    x = 32,762,987,504,882.52/7,887,709.50
  6. Step 6: Final answer
    x = 4,153,675.73

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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.