Home / 40,220,893.79-60,349,895.33-18,367,972.21

Finding the Fourth Proportional to 40,220,893.79, 60,349,895.33 and 18,367,972.21

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Solution

The fourth proportional to 40,220,893.79, 60,349,895.33 and 18,367,972.21 is: 27,560,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220,893.79 : 60,349,895.33 = 18,367,972.21 : x
  2. Step 2: Convert to fraction form
    40,220,893.79/60,349,895.33 = 18,367,972.21/x
  3. Step 3: Cross multiply
    40,220,893.79x = 60,349,895.33 × 18,367,972.21
  4. Step 4: Simplify right side
    40,220,893.79x = 1,108,505,200,297,848.75
  5. Step 5: Solve for x
    x = 1,108,505,200,297,848.75/40,220,893.79
  6. Step 6: Final answer
    x = 27,560,431.80

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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.