Home / 12,388,628.18-17,096,423.82-6,806,991.08

Finding the Fourth Proportional to 12,388,628.18, 17,096,423.82 and 6,806,991.08

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Solution

The fourth proportional to 12,388,628.18, 17,096,423.82 and 6,806,991.08 is: 9,393,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388,628.18 : 17,096,423.82 = 6,806,991.08 : x
  2. Step 2: Convert to fraction form
    12,388,628.18/17,096,423.82 = 6,806,991.08/x
  3. Step 3: Cross multiply
    12,388,628.18x = 17,096,423.82 × 6,806,991.08
  4. Step 4: Simplify right side
    12,388,628.18x = 116,375,204,442,639.53
  5. Step 5: Solve for x
    x = 116,375,204,442,639.53/12,388,628.18
  6. Step 6: Final answer
    x = 9,393,711.94

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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.