Home / 20,194,851.52-30,303,298.32-11,691,795.52

Finding the Fourth Proportional to 20,194,851.52, 30,303,298.32 and 11,691,795.52

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Solution

The fourth proportional to 20,194,851.52, 30,303,298.32 and 11,691,795.52 is: 17,544,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,851.52 : 30,303,298.32 = 11,691,795.52 : x
  2. Step 2: Convert to fraction form
    20,194,851.52/30,303,298.32 = 11,691,795.52/x
  3. Step 3: Cross multiply
    20,194,851.52x = 30,303,298.32 × 11,691,795.52
  4. Step 4: Simplify right side
    20,194,851.52x = 354,299,967,538,999.50
  5. Step 5: Solve for x
    x = 354,299,967,538,999.50/20,194,851.52
  6. Step 6: Final answer
    x = 17,544,073.90

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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.