Home / 20,449,287,415.56-28,217,865,891.54-11,874,037,812.84

Finding the Fourth Proportional to 20,449,287,415.56, 28,217,865,891.54 and 11,874,037,812.84

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Solution

The fourth proportional to 20,449,287,415.56, 28,217,865,891.54 and 11,874,037,812.84 is: 16,384,923,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449,287,415.56 : 28,217,865,891.54 = 11,874,037,812.84 : x
  2. Step 2: Convert to fraction form
    20,449,287,415.56/28,217,865,891.54 = 11,874,037,812.84/x
  3. Step 3: Cross multiply
    20,449,287,415.56x = 28,217,865,891.54 × 11,874,037,812.84
  4. Step 4: Simplify right side
    20,449,287,415.56x = 335,060,006,593,794,080,768
  5. Step 5: Solve for x
    x = 335,060,006,593,794,080,768/20,449,287,415.56
  6. Step 6: Final answer
    x = 16,384,923,336.69

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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.