Home / 20,806,184.98-31,221,606.75-11,591,869.96

Finding the Fourth Proportional to 20,806,184.98, 31,221,606.75 and 11,591,869.96

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Solution

The fourth proportional to 20,806,184.98, 31,221,606.75 and 11,591,869.96 is: 17,394,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,806,184.98 : 31,221,606.75 = 11,591,869.96 : x
  2. Step 2: Convert to fraction form
    20,806,184.98/31,221,606.75 = 11,591,869.96/x
  3. Step 3: Cross multiply
    20,806,184.98x = 31,221,606.75 × 11,591,869.96
  4. Step 4: Simplify right side
    20,806,184.98x = 361,916,805,388,258.25
  5. Step 5: Solve for x
    x = 361,916,805,388,258.25/20,806,184.98
  6. Step 6: Final answer
    x = 17,394,674.02

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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.