Home / 13,403,262.36-20,115,665.88-6,928,234.02

Finding the Fourth Proportional to 13,403,262.36, 20,115,665.88 and 6,928,234.02

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Solution

The fourth proportional to 13,403,262.36, 20,115,665.88 and 6,928,234.02 is: 10,397,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403,262.36 : 20,115,665.88 = 6,928,234.02 : x
  2. Step 2: Convert to fraction form
    13,403,262.36/20,115,665.88 = 6,928,234.02/x
  3. Step 3: Cross multiply
    13,403,262.36x = 20,115,665.88 × 6,928,234.02
  4. Step 4: Simplify right side
    13,403,262.36x = 139,366,040,684,769.22
  5. Step 5: Solve for x
    x = 139,366,040,684,769.22/13,403,262.36
  6. Step 6: Final answer
    x = 10,397,919.32

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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.