Home / 21,167,997.90-31,751,996.85-6,019,961.10

Finding the Fourth Proportional to 21,167,997.90, 31,751,996.85 and 6,019,961.10

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Solution

The fourth proportional to 21,167,997.90, 31,751,996.85 and 6,019,961.10 is: 9,029,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,997.90 : 31,751,996.85 = 6,019,961.10 : x
  2. Step 2: Convert to fraction form
    21,167,997.90/31,751,996.85 = 6,019,961.10/x
  3. Step 3: Cross multiply
    21,167,997.90x = 31,751,996.85 × 6,019,961.10
  4. Step 4: Simplify right side
    21,167,997.90x = 191,145,785,884,322.53
  5. Step 5: Solve for x
    x = 191,145,785,884,322.53/21,167,997.90
  6. Step 6: Final answer
    x = 9,029,941.65

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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.