Home / 21,167,998.40-31,751,997.60-6,019,961.60

Finding the Fourth Proportional to 21,167,998.40, 31,751,997.60 and 6,019,961.60

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Solution

The fourth proportional to 21,167,998.40, 31,751,997.60 and 6,019,961.60 is: 9,029,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,998.40 : 31,751,997.60 = 6,019,961.60 : x
  2. Step 2: Convert to fraction form
    21,167,998.40/31,751,997.60 = 6,019,961.60/x
  3. Step 3: Cross multiply
    21,167,998.40x = 31,751,997.60 × 6,019,961.60
  4. Step 4: Simplify right side
    21,167,998.40x = 191,145,806,275,292.16
  5. Step 5: Solve for x
    x = 191,145,806,275,292.16/21,167,998.40
  6. Step 6: Final answer
    x = 9,029,942.40

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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.