Home / 13,887,999.20-20,831,998.80-3,652,839.20

Finding the Fourth Proportional to 13,887,999.20, 20,831,998.80 and 3,652,839.20

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Solution

The fourth proportional to 13,887,999.20, 20,831,998.80 and 3,652,839.20 is: 5,479,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887,999.20 : 20,831,998.80 = 3,652,839.20 : x
  2. Step 2: Convert to fraction form
    13,887,999.20/20,831,998.80 = 3,652,839.20/x
  3. Step 3: Cross multiply
    13,887,999.20x = 20,831,998.80 × 3,652,839.20
  4. Step 4: Simplify right side
    13,887,999.20x = 76,095,941,830,992.97
  5. Step 5: Solve for x
    x = 76,095,941,830,992.97/13,887,999.20
  6. Step 6: Final answer
    x = 5,479,258.80

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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.