Home / 8,422,183.88-11,622,705.06-4,554,780.20

Finding the Fourth Proportional to 8,422,183.88, 11,622,705.06 and 4,554,780.20

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Solution

The fourth proportional to 8,422,183.88, 11,622,705.06 and 4,554,780.20 is: 6,285,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,183.88 : 11,622,705.06 = 4,554,780.20 : x
  2. Step 2: Convert to fraction form
    8,422,183.88/11,622,705.06 = 4,554,780.20/x
  3. Step 3: Cross multiply
    8,422,183.88x = 11,622,705.06 × 4,554,780.20
  4. Step 4: Simplify right side
    8,422,183.88x = 52,938,866,877,727.82
  5. Step 5: Solve for x
    x = 52,938,866,877,727.82/8,422,183.88
  6. Step 6: Final answer
    x = 6,285,646.05

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Double scale
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1.5x scale

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.