Home / 8,345,445.12-11,516,997.60-4,674,519.36

Finding the Fourth Proportional to 8,345,445.12, 11,516,997.60 and 4,674,519.36

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Solution

The fourth proportional to 8,345,445.12, 11,516,997.60 and 4,674,519.36 is: 6,450,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345,445.12 : 11,516,997.60 = 4,674,519.36 : x
  2. Step 2: Convert to fraction form
    8,345,445.12/11,516,997.60 = 4,674,519.36/x
  3. Step 3: Cross multiply
    8,345,445.12x = 11,516,997.60 × 4,674,519.36
  4. Step 4: Simplify right side
    8,345,445.12x = 53,836,428,250,273.54
  5. Step 5: Solve for x
    x = 53,836,428,250,273.54/8,345,445.12
  6. Step 6: Final answer
    x = 6,450,995.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.