Home / 38,325,412.53-57,445,265.43-20,131,529.89

Finding the Fourth Proportional to 38,325,412.53, 57,445,265.43 and 20,131,529.89

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Solution

The fourth proportional to 38,325,412.53, 57,445,265.43 and 20,131,529.89 is: 30,174,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,325,412.53 : 57,445,265.43 = 20,131,529.89 : x
  2. Step 2: Convert to fraction form
    38,325,412.53/57,445,265.43 = 20,131,529.89/x
  3. Step 3: Cross multiply
    38,325,412.53x = 57,445,265.43 × 20,131,529.89
  4. Step 4: Simplify right side
    38,325,412.53x = 1,156,461,078,043,028.75
  5. Step 5: Solve for x
    x = 1,156,461,078,043,028.75/38,325,412.53
  6. Step 6: Final answer
    x = 30,174,784.87

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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.