Home / 21,324,801.60-31,987,202.40-6,179,227.20

Finding the Fourth Proportional to 21,324,801.60, 31,987,202.40 and 6,179,227.20

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Solution

The fourth proportional to 21,324,801.60, 31,987,202.40 and 6,179,227.20 is: 9,268,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324,801.60 : 31,987,202.40 = 6,179,227.20 : x
  2. Step 2: Convert to fraction form
    21,324,801.60/31,987,202.40 = 6,179,227.20/x
  3. Step 3: Cross multiply
    21,324,801.60x = 31,987,202.40 × 6,179,227.20
  4. Step 4: Simplify right side
    21,324,801.60x = 197,656,191,121,985.28
  5. Step 5: Solve for x
    x = 197,656,191,121,985.28/21,324,801.60
  6. Step 6: Final answer
    x = 9,268,840.80

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1.5x scale

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.