Home / 9,135,975.09-13,689,012.63-5,530,814.94

Finding the Fourth Proportional to 9,135,975.09, 13,689,012.63 and 5,530,814.94

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Solution

The fourth proportional to 9,135,975.09, 13,689,012.63 and 5,530,814.94 is: 8,287,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135,975.09 : 13,689,012.63 = 5,530,814.94 : x
  2. Step 2: Convert to fraction form
    9,135,975.09/13,689,012.63 = 5,530,814.94/x
  3. Step 3: Cross multiply
    9,135,975.09x = 13,689,012.63 × 5,530,814.94
  4. Step 4: Simplify right side
    9,135,975.09x = 75,711,395,567,852.70
  5. Step 5: Solve for x
    x = 75,711,395,567,852.70/9,135,975.09
  6. Step 6: Final answer
    x = 8,287,171.85

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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.