Home / 13,998,346.70-20,997,520.05-11,606,862.20

Finding the Fourth Proportional to 13,998,346.70, 20,997,520.05 and 11,606,862.20

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Solution

The fourth proportional to 13,998,346.70, 20,997,520.05 and 11,606,862.20 is: 17,410,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,346.70 : 20,997,520.05 = 11,606,862.20 : x
  2. Step 2: Convert to fraction form
    13,998,346.70/20,997,520.05 = 11,606,862.20/x
  3. Step 3: Cross multiply
    13,998,346.70x = 20,997,520.05 × 11,606,862.20
  4. Step 4: Simplify right side
    13,998,346.70x = 243,715,321,762,087.09
  5. Step 5: Solve for x
    x = 243,715,321,762,087.09/13,998,346.70
  6. Step 6: Final answer
    x = 17,410,293.30

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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.