Home / 7,986,586.76-11,980,277.93-3,891,669.83

Finding the Fourth Proportional to 7,986,586.76, 11,980,277.93 and 3,891,669.83

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Solution

The fourth proportional to 7,986,586.76, 11,980,277.93 and 3,891,669.83 is: 5,837,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986,586.76 : 11,980,277.93 = 3,891,669.83 : x
  2. Step 2: Convert to fraction form
    7,986,586.76/11,980,277.93 = 3,891,669.83/x
  3. Step 3: Cross multiply
    7,986,586.76x = 11,980,277.93 × 3,891,669.83
  4. Step 4: Simplify right side
    7,986,586.76x = 46,623,286,175,195.85
  5. Step 5: Solve for x
    x = 46,623,286,175,195.85/7,986,586.76
  6. Step 6: Final answer
    x = 5,837,698.58

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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.