Home / 13,998,455.70-20,997,683.55-11,606,971.20

Finding the Fourth Proportional to 13,998,455.70, 20,997,683.55 and 11,606,971.20

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Solution

The fourth proportional to 13,998,455.70, 20,997,683.55 and 11,606,971.20 is: 17,410,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,455.70 : 20,997,683.55 = 11,606,971.20 : x
  2. Step 2: Convert to fraction form
    13,998,455.70/20,997,683.55 = 11,606,971.20/x
  3. Step 3: Cross multiply
    13,998,455.70x = 20,997,683.55 × 11,606,971.20
  4. Step 4: Simplify right side
    13,998,455.70x = 243,719,508,231,563.75
  5. Step 5: Solve for x
    x = 243,719,508,231,563.75/13,998,455.70
  6. Step 6: Final answer
    x = 17,410,456.80

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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.