Home / 20,273,136.64-27,977,627.82-11,105,780.20

Finding the Fourth Proportional to 20,273,136.64, 27,977,627.82 and 11,105,780.20

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Solution

The fourth proportional to 20,273,136.64, 27,977,627.82 and 11,105,780.20 is: 15,326,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273,136.64 : 27,977,627.82 = 11,105,780.20 : x
  2. Step 2: Convert to fraction form
    20,273,136.64/27,977,627.82 = 11,105,780.20/x
  3. Step 3: Cross multiply
    20,273,136.64x = 27,977,627.82 × 11,105,780.20
  4. Step 4: Simplify right side
    20,273,136.64x = 310,713,385,086,325.12
  5. Step 5: Solve for x
    x = 310,713,385,086,325.12/20,273,136.64
  6. Step 6: Final answer
    x = 15,326,359.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.