Home / 12,388,716.12-18,577,295.01-4,713,789.54

Finding the Fourth Proportional to 12,388,716.12, 18,577,295.01 and 4,713,789.54

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Solution

The fourth proportional to 12,388,716.12, 18,577,295.01 and 4,713,789.54 is: 7,068,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388,716.12 : 18,577,295.01 = 4,713,789.54 : x
  2. Step 2: Convert to fraction form
    12,388,716.12/18,577,295.01 = 4,713,789.54/x
  3. Step 3: Cross multiply
    12,388,716.12x = 18,577,295.01 × 4,713,789.54
  4. Step 4: Simplify right side
    12,388,716.12x = 87,569,458,899,632.20
  5. Step 5: Solve for x
    x = 87,569,458,899,632.20/12,388,716.12
  6. Step 6: Final answer
    x = 7,068,485.39

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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.