Home / 7,008,896.81-9,672,221.31-4,068,986.69

Finding the Fourth Proportional to 7,008,896.81, 9,672,221.31 and 4,068,986.69

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Solution

The fourth proportional to 7,008,896.81, 9,672,221.31 and 4,068,986.69 is: 5,615,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008,896.81 : 9,672,221.31 = 4,068,986.69 : x
  2. Step 2: Convert to fraction form
    7,008,896.81/9,672,221.31 = 4,068,986.69/x
  3. Step 3: Cross multiply
    7,008,896.81x = 9,672,221.31 × 4,068,986.69
  4. Step 4: Simplify right side
    7,008,896.81x = 39,356,139,782,046.22
  5. Step 5: Solve for x
    x = 39,356,139,782,046.22/7,008,896.81
  6. Step 6: Final answer
    x = 5,615,168.95

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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.