Home / 55,274,692.86-82,922,666.46-21,193,380.90

Finding the Fourth Proportional to 55,274,692.86, 82,922,666.46 and 21,193,380.90

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Solution

The fourth proportional to 55,274,692.86, 82,922,666.46 and 21,193,380.90 is: 31,794,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274,692.86 : 82,922,666.46 = 21,193,380.90 : x
  2. Step 2: Convert to fraction form
    55,274,692.86/82,922,666.46 = 21,193,380.90/x
  3. Step 3: Cross multiply
    55,274,692.86x = 82,922,666.46 × 21,193,380.90
  4. Step 4: Simplify right side
    55,274,692.86x = 1,757,411,655,530,434.25
  5. Step 5: Solve for x
    x = 1,757,411,655,530,434.25/55,274,692.86
  6. Step 6: Final answer
    x = 31,794,146.01

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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.