Home / 7,135,308-9,846,618.56-4,195,457.28

Finding the Fourth Proportional to 7,135,308, 9,846,618.56 and 4,195,457.28

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Solution

The fourth proportional to 7,135,308, 9,846,618.56 and 4,195,457.28 is: 5,789,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,308 : 9,846,618.56 = 4,195,457.28 : x
  2. Step 2: Convert to fraction form
    7,135,308/9,846,618.56 = 4,195,457.28/x
  3. Step 3: Cross multiply
    7,135,308x = 9,846,618.56 × 4,195,457.28
  4. Step 4: Simplify right side
    7,135,308x = 41,311,067,520,935.12
  5. Step 5: Solve for x
    x = 41,311,067,520,935.12/7,135,308
  6. Step 6: Final answer
    x = 5,789,668.44

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Why These Related Problems?

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