Home / 13,998,453.58-20,997,680.37-11,606,969.08

Finding the Fourth Proportional to 13,998,453.58, 20,997,680.37 and 11,606,969.08

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Solution

The fourth proportional to 13,998,453.58, 20,997,680.37 and 11,606,969.08 is: 17,410,453.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,453.58 : 20,997,680.37 = 11,606,969.08 : x
  2. Step 2: Convert to fraction form
    13,998,453.58/20,997,680.37 = 11,606,969.08/x
  3. Step 3: Cross multiply
    13,998,453.58x = 20,997,680.37 × 11,606,969.08
  4. Step 4: Simplify right side
    13,998,453.58x = 243,719,426,643,289.69
  5. Step 5: Solve for x
    x = 243,719,426,643,289.69/13,998,453.58
  6. Step 6: Final answer
    x = 17,410,453.61

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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.