Home / 15,696,968.39-21,661,702.93-8,727,591.96

Finding the Fourth Proportional to 15,696,968.39, 21,661,702.93 and 8,727,591.96

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Solution

The fourth proportional to 15,696,968.39, 21,661,702.93 and 8,727,591.96 is: 12,044,013.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696,968.39 : 21,661,702.93 = 8,727,591.96 : x
  2. Step 2: Convert to fraction form
    15,696,968.39/21,661,702.93 = 8,727,591.96/x
  3. Step 3: Cross multiply
    15,696,968.39x = 21,661,702.93 × 8,727,591.96
  4. Step 4: Simplify right side
    15,696,968.39x = 189,054,504,228,726.09
  5. Step 5: Solve for x
    x = 189,054,504,228,726.09/15,696,968.39
  6. Step 6: Final answer
    x = 12,044,013.82

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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.