Home / 8,169,905.90-12,254,858.85-2,186,273.90

Finding the Fourth Proportional to 8,169,905.90, 12,254,858.85 and 2,186,273.90

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Solution

The fourth proportional to 8,169,905.90, 12,254,858.85 and 2,186,273.90 is: 3,279,410.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169,905.90 : 12,254,858.85 = 2,186,273.90 : x
  2. Step 2: Convert to fraction form
    8,169,905.90/12,254,858.85 = 2,186,273.90/x
  3. Step 3: Cross multiply
    8,169,905.90x = 12,254,858.85 × 2,186,273.90
  4. Step 4: Simplify right side
    8,169,905.90x = 26,792,478,051,939.01
  5. Step 5: Solve for x
    x = 26,792,478,051,939.01/8,169,905.90
  6. Step 6: Final answer
    x = 3,279,410.85

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Similar ratio
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1.5x scale

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.