Home / 13,704,599,121.27-18,918,543,694.98-8,631,418,827.07

Finding the Fourth Proportional to 13,704,599,121.27, 18,918,543,694.98 and 8,631,418,827.07

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Solution

The fourth proportional to 13,704,599,121.27, 18,918,543,694.98 and 8,631,418,827.07 is: 11,915,260,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704,599,121.27 : 18,918,543,694.98 = 8,631,418,827.07 : x
  2. Step 2: Convert to fraction form
    13,704,599,121.27/18,918,543,694.98 = 8,631,418,827.07/x
  3. Step 3: Cross multiply
    13,704,599,121.27x = 18,918,543,694.98 × 8,631,418,827.07
  4. Step 4: Simplify right side
    13,704,599,121.27x = 163,293,874,229,596,815,360
  5. Step 5: Solve for x
    x = 163,293,874,229,596,815,360/13,704,599,121.27
  6. Step 6: Final answer
    x = 11,915,260,912.39

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Double scale
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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.