Home / 26,405,999.20-39,608,998.80-20,028,707.20

Finding the Fourth Proportional to 26,405,999.20, 39,608,998.80 and 20,028,707.20

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Solution

The fourth proportional to 26,405,999.20, 39,608,998.80 and 20,028,707.20 is: 30,043,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405,999.20 : 39,608,998.80 = 20,028,707.20 : x
  2. Step 2: Convert to fraction form
    26,405,999.20/39,608,998.80 = 20,028,707.20/x
  3. Step 3: Cross multiply
    26,405,999.20x = 39,608,998.80 × 20,028,707.20
  4. Step 4: Simplify right side
    26,405,999.20x = 793,317,039,450,351.25
  5. Step 5: Solve for x
    x = 793,317,039,450,351.25/26,405,999.20
  6. Step 6: Final answer
    x = 30,043,060.80

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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.