Home / 21,378,259.20-32,067,388.80-6,233,721.60

Finding the Fourth Proportional to 21,378,259.20, 32,067,388.80 and 6,233,721.60

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Solution

The fourth proportional to 21,378,259.20, 32,067,388.80 and 6,233,721.60 is: 9,350,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,378,259.20 : 32,067,388.80 = 6,233,721.60 : x
  2. Step 2: Convert to fraction form
    21,378,259.20/32,067,388.80 = 6,233,721.60/x
  3. Step 3: Cross multiply
    21,378,259.20x = 32,067,388.80 × 6,233,721.60
  4. Step 4: Simplify right side
    21,378,259.20x = 199,899,174,218,158.06
  5. Step 5: Solve for x
    x = 199,899,174,218,158.06/21,378,259.20
  6. Step 6: Final answer
    x = 9,350,582.40

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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.