Home / 7,932,406.80-11,898,610.20-7,161,027.60

Finding the Fourth Proportional to 7,932,406.80, 11,898,610.20 and 7,161,027.60

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Solution

The fourth proportional to 7,932,406.80, 11,898,610.20 and 7,161,027.60 is: 10,741,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932,406.80 : 11,898,610.20 = 7,161,027.60 : x
  2. Step 2: Convert to fraction form
    7,932,406.80/11,898,610.20 = 7,161,027.60/x
  3. Step 3: Cross multiply
    7,932,406.80x = 11,898,610.20 × 7,161,027.60
  4. Step 4: Simplify right side
    7,932,406.80x = 85,206,276,043,841.52
  5. Step 5: Solve for x
    x = 85,206,276,043,841.52/7,932,406.80
  6. Step 6: Final answer
    x = 10,741,541.40

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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.