Home / 6,886,180.10-10,320,412.80-4,187,640.80

Finding the Fourth Proportional to 6,886,180.10, 10,320,412.80 and 4,187,640.80

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Solution

The fourth proportional to 6,886,180.10, 10,320,412.80 and 4,187,640.80 is: 6,276,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886,180.10 : 10,320,412.80 = 4,187,640.80 : x
  2. Step 2: Convert to fraction form
    6,886,180.10/10,320,412.80 = 4,187,640.80/x
  3. Step 3: Cross multiply
    6,886,180.10x = 10,320,412.80 × 4,187,640.80
  4. Step 4: Simplify right side
    6,886,180.10x = 43,218,181,714,122.24
  5. Step 5: Solve for x
    x = 43,218,181,714,122.24/6,886,180.10
  6. Step 6: Final answer
    x = 6,276,074.85

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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.