Home / 8,259,021.60-12,388,532.40-7,727,580.60

Finding the Fourth Proportional to 8,259,021.60, 12,388,532.40 and 7,727,580.60

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Solution

The fourth proportional to 8,259,021.60, 12,388,532.40 and 7,727,580.60 is: 11,591,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259,021.60 : 12,388,532.40 = 7,727,580.60 : x
  2. Step 2: Convert to fraction form
    8,259,021.60/12,388,532.40 = 7,727,580.60/x
  3. Step 3: Cross multiply
    8,259,021.60x = 12,388,532.40 × 7,727,580.60
  4. Step 4: Simplify right side
    8,259,021.60x = 95,733,382,636,711.44
  5. Step 5: Solve for x
    x = 95,733,382,636,711.44/8,259,021.60
  6. Step 6: Final answer
    x = 11,591,370.90

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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.