Home / 10,935,999.70-16,403,999.55-3,361,981.30

Finding the Fourth Proportional to 10,935,999.70, 16,403,999.55 and 3,361,981.30

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Solution

The fourth proportional to 10,935,999.70, 16,403,999.55 and 3,361,981.30 is: 5,042,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935,999.70 : 16,403,999.55 = 3,361,981.30 : x
  2. Step 2: Convert to fraction form
    10,935,999.70/16,403,999.55 = 3,361,981.30/x
  3. Step 3: Cross multiply
    10,935,999.70x = 16,403,999.55 × 3,361,981.30
  4. Step 4: Simplify right side
    10,935,999.70x = 55,149,939,732,308.41
  5. Step 5: Solve for x
    x = 55,149,939,732,308.41/10,935,999.70
  6. Step 6: Final answer
    x = 5,042,971.95

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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.