Home / 15,696,976.40-21,661,713.96-8,727,599.96

Finding the Fourth Proportional to 15,696,976.40, 21,661,713.96 and 8,727,599.96

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Solution

The fourth proportional to 15,696,976.40, 21,661,713.96 and 8,727,599.96 is: 12,044,024.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696,976.40 : 21,661,713.96 = 8,727,599.96 : x
  2. Step 2: Convert to fraction form
    15,696,976.40/21,661,713.96 = 8,727,599.96/x
  3. Step 3: Cross multiply
    15,696,976.40x = 21,661,713.96 × 8,727,599.96
  4. Step 4: Simplify right side
    15,696,976.40x = 189,054,773,890,827.47
  5. Step 5: Solve for x
    x = 189,054,773,890,827.47/15,696,976.40
  6. Step 6: Final answer
    x = 12,044,024.85

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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.