Home / 18,469,636.80-27,680,295.60-9,931,588.80

Finding the Fourth Proportional to 18,469,636.80, 27,680,295.60 and 9,931,588.80

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Solution

The fourth proportional to 18,469,636.80, 27,680,295.60 and 9,931,588.80 is: 14,884,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469,636.80 : 27,680,295.60 = 9,931,588.80 : x
  2. Step 2: Convert to fraction form
    18,469,636.80/27,680,295.60 = 9,931,588.80/x
  3. Step 3: Cross multiply
    18,469,636.80x = 27,680,295.60 × 9,931,588.80
  4. Step 4: Simplify right side
    18,469,636.80x = 274,909,313,761,649.31
  5. Step 5: Solve for x
    x = 274,909,313,761,649.31/18,469,636.80
  6. Step 6: Final answer
    x = 14,884,391.97

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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.