Home / 13,906,848.80-20,860,273.20-9,117,318.80

Finding the Fourth Proportional to 13,906,848.80, 20,860,273.20 and 9,117,318.80

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Solution

The fourth proportional to 13,906,848.80, 20,860,273.20 and 9,117,318.80 is: 13,675,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906,848.80 : 20,860,273.20 = 9,117,318.80 : x
  2. Step 2: Convert to fraction form
    13,906,848.80/20,860,273.20 = 9,117,318.80/x
  3. Step 3: Cross multiply
    13,906,848.80x = 20,860,273.20 × 9,117,318.80
  4. Step 4: Simplify right side
    13,906,848.80x = 190,189,761,019,496.16
  5. Step 5: Solve for x
    x = 190,189,761,019,496.16/13,906,848.80
  6. Step 6: Final answer
    x = 13,675,978.20

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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.