Home / 20,273,086.68-27,976,636.80-10,980,425.76

Finding the Fourth Proportional to 20,273,086.68, 27,976,636.80 and 10,980,425.76

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Solution

The fourth proportional to 20,273,086.68, 27,976,636.80 and 10,980,425.76 is: 15,152,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273,086.68 : 27,976,636.80 = 10,980,425.76 : x
  2. Step 2: Convert to fraction form
    20,273,086.68/27,976,636.80 = 10,980,425.76/x
  3. Step 3: Cross multiply
    20,273,086.68x = 27,976,636.80 × 10,980,425.76
  4. Step 4: Simplify right side
    20,273,086.68x = 307,195,383,396,884
  5. Step 5: Solve for x
    x = 307,195,383,396,884/20,273,086.68
  6. Step 6: Final answer
    x = 15,152,866.86

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1.5x scale

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.