Home / 18,443,731.30-27,683,311.65-9,356,090.20

Finding the Fourth Proportional to 18,443,731.30, 27,683,311.65 and 9,356,090.20

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Solution

The fourth proportional to 18,443,731.30, 27,683,311.65 and 9,356,090.20 is: 14,043,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,731.30 : 27,683,311.65 = 9,356,090.20 : x
  2. Step 2: Convert to fraction form
    18,443,731.30/27,683,311.65 = 9,356,090.20/x
  3. Step 3: Cross multiply
    18,443,731.30x = 27,683,311.65 × 9,356,090.20
  4. Step 4: Simplify right side
    18,443,731.30x = 259,007,560,832,110.78
  5. Step 5: Solve for x
    x = 259,007,560,832,110.78/18,443,731.30
  6. Step 6: Final answer
    x = 14,043,121.57

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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.