Home / 10,935,999.20-16,403,998.80-3,361,980.80

Finding the Fourth Proportional to 10,935,999.20, 16,403,998.80 and 3,361,980.80

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Solution

The fourth proportional to 10,935,999.20, 16,403,998.80 and 3,361,980.80 is: 5,042,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935,999.20 : 16,403,998.80 = 3,361,980.80 : x
  2. Step 2: Convert to fraction form
    10,935,999.20/16,403,998.80 = 3,361,980.80/x
  3. Step 3: Cross multiply
    10,935,999.20x = 16,403,998.80 × 3,361,980.80
  4. Step 4: Simplify right side
    10,935,999.20x = 55,149,929,008,823.04
  5. Step 5: Solve for x
    x = 55,149,929,008,823.04/10,935,999.20
  6. Step 6: Final answer
    x = 5,042,971.20

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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.