Home / 13,906,839.80-20,860,259.70-9,117,309.80

Finding the Fourth Proportional to 13,906,839.80, 20,860,259.70 and 9,117,309.80

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Solution

The fourth proportional to 13,906,839.80, 20,860,259.70 and 9,117,309.80 is: 13,675,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906,839.80 : 20,860,259.70 = 9,117,309.80 : x
  2. Step 2: Convert to fraction form
    13,906,839.80/20,860,259.70 = 9,117,309.80/x
  3. Step 3: Cross multiply
    13,906,839.80x = 20,860,259.70 × 9,117,309.80
  4. Step 4: Simplify right side
    13,906,839.80x = 190,189,450,193,355.06
  5. Step 5: Solve for x
    x = 190,189,450,193,355.06/13,906,839.80
  6. Step 6: Final answer
    x = 13,675,964.70

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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.