Home / 11,537,751.70-15,926,999.87-7,188,986.62

Finding the Fourth Proportional to 11,537,751.70, 15,926,999.87 and 7,188,986.62

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Solution

The fourth proportional to 11,537,751.70, 15,926,999.87 and 7,188,986.62 is: 9,923,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537,751.70 : 15,926,999.87 = 7,188,986.62 : x
  2. Step 2: Convert to fraction form
    11,537,751.70/15,926,999.87 = 7,188,986.62/x
  3. Step 3: Cross multiply
    11,537,751.70x = 15,926,999.87 × 7,188,986.62
  4. Step 4: Simplify right side
    11,537,751.70x = 114,498,988,962,171.73
  5. Step 5: Solve for x
    x = 114,498,988,962,171.73/11,537,751.70
  6. Step 6: Final answer
    x = 9,923,856.22

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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.