Home / 20,253,429.32-27,949,766.33-10,961,007.63

Finding the Fourth Proportional to 20,253,429.32, 27,949,766.33 and 10,961,007.63

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Solution

The fourth proportional to 20,253,429.32, 27,949,766.33 and 10,961,007.63 is: 15,126,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253,429.32 : 27,949,766.33 = 10,961,007.63 : x
  2. Step 2: Convert to fraction form
    20,253,429.32/27,949,766.33 = 10,961,007.63/x
  3. Step 3: Cross multiply
    20,253,429.32x = 27,949,766.33 × 10,961,007.63
  4. Step 4: Simplify right side
    20,253,429.32x = 306,357,601,999,847.12
  5. Step 5: Solve for x
    x = 306,357,601,999,847.12/20,253,429.32
  6. Step 6: Final answer
    x = 15,126,208.86

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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.