Home / 8,688,209.52-11,947,212.60-7,540,296.96

Finding the Fourth Proportional to 8,688,209.52, 11,947,212.60 and 7,540,296.96

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Solution

The fourth proportional to 8,688,209.52, 11,947,212.60 and 7,540,296.96 is: 10,368,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,209.52 : 11,947,212.60 = 7,540,296.96 : x
  2. Step 2: Convert to fraction form
    8,688,209.52/11,947,212.60 = 7,540,296.96/x
  3. Step 3: Cross multiply
    8,688,209.52x = 11,947,212.60 × 7,540,296.96
  4. Step 4: Simplify right side
    8,688,209.52x = 90,085,530,848,253.69
  5. Step 5: Solve for x
    x = 90,085,530,848,253.69/8,688,209.52
  6. Step 6: Final answer
    x = 10,368,710.68

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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.