Home / 27,608,905.60-41,412,969.60-12,462,812.80

Finding the Fourth Proportional to 27,608,905.60, 41,412,969.60 and 12,462,812.80

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Solution

The fourth proportional to 27,608,905.60, 41,412,969.60 and 12,462,812.80 is: 18,694,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608,905.60 : 41,412,969.60 = 12,462,812.80 : x
  2. Step 2: Convert to fraction form
    27,608,905.60/41,412,969.60 = 12,462,812.80/x
  3. Step 3: Cross multiply
    27,608,905.60x = 41,412,969.60 × 12,462,812.80
  4. Step 4: Simplify right side
    27,608,905.60x = 516,122,087,616,890.94
  5. Step 5: Solve for x
    x = 516,122,087,616,890.94/27,608,905.60
  6. Step 6: Final answer
    x = 18,694,043.69

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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.