Home / 6,875,961.32-9,489,121.84-3,820,175.56

Finding the Fourth Proportional to 6,875,961.32, 9,489,121.84 and 3,820,175.56

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Solution

The fourth proportional to 6,875,961.32, 9,489,121.84 and 3,820,175.56 is: 5,272,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875,961.32 : 9,489,121.84 = 3,820,175.56 : x
  2. Step 2: Convert to fraction form
    6,875,961.32/9,489,121.84 = 3,820,175.56/x
  3. Step 3: Cross multiply
    6,875,961.32x = 9,489,121.84 × 3,820,175.56
  4. Step 4: Simplify right side
    6,875,961.32x = 36,250,111,339,030.23
  5. Step 5: Solve for x
    x = 36,250,111,339,030.23/6,875,961.32
  6. Step 6: Final answer
    x = 5,272,006.29

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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.