Home / 14,003,998.60-21,005,997.90-3,366,430.60

Finding the Fourth Proportional to 14,003,998.60, 21,005,997.90 and 3,366,430.60

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Solution

The fourth proportional to 14,003,998.60, 21,005,997.90 and 3,366,430.60 is: 5,049,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003,998.60 : 21,005,997.90 = 3,366,430.60 : x
  2. Step 2: Convert to fraction form
    14,003,998.60/21,005,997.90 = 3,366,430.60/x
  3. Step 3: Cross multiply
    14,003,998.60x = 21,005,997.90 × 3,366,430.60
  4. Step 4: Simplify right side
    14,003,998.60x = 70,715,234,114,095.73
  5. Step 5: Solve for x
    x = 70,715,234,114,095.73/14,003,998.60
  6. Step 6: Final answer
    x = 5,049,645.90

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Double scale
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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.