Home / 14,193,999.20-21,290,998.80-8,203,368.80

Finding the Fourth Proportional to 14,193,999.20, 21,290,998.80 and 8,203,368.80

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Solution

The fourth proportional to 14,193,999.20, 21,290,998.80 and 8,203,368.80 is: 12,305,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193,999.20 : 21,290,998.80 = 8,203,368.80 : x
  2. Step 2: Convert to fraction form
    14,193,999.20/21,290,998.80 = 8,203,368.80/x
  3. Step 3: Cross multiply
    14,193,999.20x = 21,290,998.80 × 8,203,368.80
  4. Step 4: Simplify right side
    14,193,999.20x = 174,657,915,276,757.44
  5. Step 5: Solve for x
    x = 174,657,915,276,757.44/14,193,999.20
  6. Step 6: Final answer
    x = 12,305,053.20

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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.