Home / 18,015,407.10-27,011,757.69-15,283,908.90

Finding the Fourth Proportional to 18,015,407.10, 27,011,757.69 and 15,283,908.90

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Solution

The fourth proportional to 18,015,407.10, 27,011,757.69 and 15,283,908.90 is: 22,916,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015,407.10 : 27,011,757.69 = 15,283,908.90 : x
  2. Step 2: Convert to fraction form
    18,015,407.10/27,011,757.69 = 15,283,908.90/x
  3. Step 3: Cross multiply
    18,015,407.10x = 27,011,757.69 × 15,283,908.90
  4. Step 4: Simplify right side
    18,015,407.10x = 412,845,243,762,834.50
  5. Step 5: Solve for x
    x = 412,845,243,762,834.50/18,015,407.10
  6. Step 6: Final answer
    x = 22,916,231.73

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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.