Home / 18,166,129.28-25,059,877.44-11,287,998.08

Finding the Fourth Proportional to 18,166,129.28, 25,059,877.44 and 11,287,998.08

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Solution

The fourth proportional to 18,166,129.28, 25,059,877.44 and 11,287,998.08 is: 15,571,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166,129.28 : 25,059,877.44 = 11,287,998.08 : x
  2. Step 2: Convert to fraction form
    18,166,129.28/25,059,877.44 = 11,287,998.08/x
  3. Step 3: Cross multiply
    18,166,129.28x = 25,059,877.44 × 11,287,998.08
  4. Step 4: Simplify right side
    18,166,129.28x = 282,875,848,427,755.31
  5. Step 5: Solve for x
    x = 282,875,848,427,755.31/18,166,129.28
  6. Step 6: Final answer
    x = 15,571,608.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.