Home / 20,735,998.40-31,103,997.60-19,475,249.60

Finding the Fourth Proportional to 20,735,998.40, 31,103,997.60 and 19,475,249.60

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Solution

The fourth proportional to 20,735,998.40, 31,103,997.60 and 19,475,249.60 is: 29,212,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,998.40 : 31,103,997.60 = 19,475,249.60 : x
  2. Step 2: Convert to fraction form
    20,735,998.40/31,103,997.60 = 19,475,249.60/x
  3. Step 3: Cross multiply
    20,735,998.40x = 31,103,997.60 × 19,475,249.60
  4. Step 4: Simplify right side
    20,735,998.40x = 605,758,116,817,801
  5. Step 5: Solve for x
    x = 605,758,116,817,801/20,735,998.40
  6. Step 6: Final answer
    x = 29,212,874.40

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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.