Home / 13,039,204.38-18,006,354.99-8,401,131.42

Finding the Fourth Proportional to 13,039,204.38, 18,006,354.99 and 8,401,131.42

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Solution

The fourth proportional to 13,039,204.38, 18,006,354.99 and 8,401,131.42 is: 11,601,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039,204.38 : 18,006,354.99 = 8,401,131.42 : x
  2. Step 2: Convert to fraction form
    13,039,204.38/18,006,354.99 = 8,401,131.42/x
  3. Step 3: Cross multiply
    13,039,204.38x = 18,006,354.99 × 8,401,131.42
  4. Step 4: Simplify right side
    13,039,204.38x = 151,273,754,666,162.78
  5. Step 5: Solve for x
    x = 151,273,754,666,162.78/13,039,204.38
  6. Step 6: Final answer
    x = 11,601,455.91

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1.5x scale

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.