Home / 32,768,003.20-49,152,004.80-20,809,321.60

Finding the Fourth Proportional to 32,768,003.20, 49,152,004.80 and 20,809,321.60

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Solution

The fourth proportional to 32,768,003.20, 49,152,004.80 and 20,809,321.60 is: 31,213,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,768,003.20 : 49,152,004.80 = 20,809,321.60 : x
  2. Step 2: Convert to fraction form
    32,768,003.20/49,152,004.80 = 20,809,321.60/x
  3. Step 3: Cross multiply
    32,768,003.20x = 49,152,004.80 × 20,809,321.60
  4. Step 4: Simplify right side
    32,768,003.20x = 1,022,819,875,167,943.75
  5. Step 5: Solve for x
    x = 1,022,819,875,167,943.75/32,768,003.20
  6. Step 6: Final answer
    x = 31,213,982.40

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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.