Home / 12,388,086.81-17,096,039.69-6,881,879.75

Finding the Fourth Proportional to 12,388,086.81, 17,096,039.69 and 6,881,879.75

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Solution

The fourth proportional to 12,388,086.81, 17,096,039.69 and 6,881,879.75 is: 9,497,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388,086.81 : 17,096,039.69 = 6,881,879.75 : x
  2. Step 2: Convert to fraction form
    12,388,086.81/17,096,039.69 = 6,881,879.75/x
  3. Step 3: Cross multiply
    12,388,086.81x = 17,096,039.69 × 6,881,879.75
  4. Step 4: Simplify right side
    12,388,086.81x = 117,652,889,227,917.67
  5. Step 5: Solve for x
    x = 117,652,889,227,917.67/12,388,086.81
  6. Step 6: Final answer
    x = 9,497,260.64

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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.