Home / 21,324,805.60-31,987,208.40-6,179,231.20

Finding the Fourth Proportional to 21,324,805.60, 31,987,208.40 and 6,179,231.20

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Solution

The fourth proportional to 21,324,805.60, 31,987,208.40 and 6,179,231.20 is: 9,268,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324,805.60 : 31,987,208.40 = 6,179,231.20 : x
  2. Step 2: Convert to fraction form
    21,324,805.60/31,987,208.40 = 6,179,231.20/x
  3. Step 3: Cross multiply
    21,324,805.60x = 31,987,208.40 × 6,179,231.20
  4. Step 4: Simplify right side
    21,324,805.60x = 197,656,356,146,182.06
  5. Step 5: Solve for x
    x = 197,656,356,146,182.06/21,324,805.60
  6. Step 6: Final answer
    x = 9,268,846.80

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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.