Home / 7,790,981.94-11,687,728.59-2,399,630.58

Finding the Fourth Proportional to 7,790,981.94, 11,687,728.59 and 2,399,630.58

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Solution

The fourth proportional to 7,790,981.94, 11,687,728.59 and 2,399,630.58 is: 3,599,832.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790,981.94 : 11,687,728.59 = 2,399,630.58 : x
  2. Step 2: Convert to fraction form
    7,790,981.94/11,687,728.59 = 2,399,630.58/x
  3. Step 3: Cross multiply
    7,790,981.94x = 11,687,728.59 × 2,399,630.58
  4. Step 4: Simplify right side
    7,790,981.94x = 28,046,230,935,304.28
  5. Step 5: Solve for x
    x = 28,046,230,935,304.28/7,790,981.94
  6. Step 6: Final answer
    x = 3,599,832.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.