Home / 21,887,999.20-32,831,998.80-8,241,119.20

Finding the Fourth Proportional to 21,887,999.20, 32,831,998.80 and 8,241,119.20

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Solution

The fourth proportional to 21,887,999.20, 32,831,998.80 and 8,241,119.20 is: 12,361,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887,999.20 : 32,831,998.80 = 8,241,119.20 : x
  2. Step 2: Convert to fraction form
    21,887,999.20/32,831,998.80 = 8,241,119.20/x
  3. Step 3: Cross multiply
    21,887,999.20x = 32,831,998.80 × 8,241,119.20
  4. Step 4: Simplify right side
    21,887,999.20x = 270,572,415,685,056.97
  5. Step 5: Solve for x
    x = 270,572,415,685,056.97/21,887,999.20
  6. Step 6: Final answer
    x = 12,361,678.80

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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.