Home / 6,857,346.20-10,309,736.10-6,413,336.60

Finding the Fourth Proportional to 6,857,346.20, 10,309,736.10 and 6,413,336.60

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Solution

The fourth proportional to 6,857,346.20, 10,309,736.10 and 6,413,336.60 is: 9,642,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857,346.20 : 10,309,736.10 = 6,413,336.60 : x
  2. Step 2: Convert to fraction form
    6,857,346.20/10,309,736.10 = 6,413,336.60/x
  3. Step 3: Cross multiply
    6,857,346.20x = 10,309,736.10 × 6,413,336.60
  4. Step 4: Simplify right side
    6,857,346.20x = 66,119,807,866,471.25
  5. Step 5: Solve for x
    x = 66,119,807,866,471.25/6,857,346.20
  6. Step 6: Final answer
    x = 9,642,186.05

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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.