Home / 12,882,621.94-17,778,055.19-7,376,081.27

Finding the Fourth Proportional to 12,882,621.94, 17,778,055.19 and 7,376,081.27

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Solution

The fourth proportional to 12,882,621.94, 17,778,055.19 and 7,376,081.27 is: 10,179,013.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,621.94 : 17,778,055.19 = 7,376,081.27 : x
  2. Step 2: Convert to fraction form
    12,882,621.94/17,778,055.19 = 7,376,081.27/x
  3. Step 3: Cross multiply
    12,882,621.94x = 17,778,055.19 × 7,376,081.27
  4. Step 4: Simplify right side
    12,882,621.94x = 131,132,379,778,214.59
  5. Step 5: Solve for x
    x = 131,132,379,778,214.59/12,882,621.94
  6. Step 6: Final answer
    x = 10,179,013.28

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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.