Home / 11,066,807.20-16,603,321.20-5,387,216.80

Finding the Fourth Proportional to 11,066,807.20, 16,603,321.20 and 5,387,216.80

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Solution

The fourth proportional to 11,066,807.20, 16,603,321.20 and 5,387,216.80 is: 8,082,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066,807.20 : 16,603,321.20 = 5,387,216.80 : x
  2. Step 2: Convert to fraction form
    11,066,807.20/16,603,321.20 = 5,387,216.80/x
  3. Step 3: Cross multiply
    11,066,807.20x = 16,603,321.20 × 5,387,216.80
  4. Step 4: Simplify right side
    11,066,807.20x = 89,445,690,904,436.16
  5. Step 5: Solve for x
    x = 89,445,690,904,436.16/11,066,807.20
  6. Step 6: Final answer
    x = 8,082,339.31

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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.