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Finding the Fourth Proportional to 6,382,341.54, 8,844,892.25 and 6,261,225.54

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Solution

The fourth proportional to 6,382,341.54, 8,844,892.25 and 6,261,225.54 is: 8,677,045.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382,341.54 : 8,844,892.25 = 6,261,225.54 : x
  2. Step 2: Convert to fraction form
    6,382,341.54/8,844,892.25 = 6,261,225.54/x
  3. Step 3: Cross multiply
    6,382,341.54x = 8,844,892.25 × 6,261,225.54
  4. Step 4: Simplify right side
    6,382,341.54x = 55,379,865,222,941.93
  5. Step 5: Solve for x
    x = 55,379,865,222,941.93/6,382,341.54
  6. Step 6: Final answer
    x = 8,677,045.07

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.