Home / 13,401,884.68-18,447,908.70-11,680,045

Finding the Fourth Proportional to 13,401,884.68, 18,447,908.70 and 11,680,045

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Solution

The fourth proportional to 13,401,884.68, 18,447,908.70 and 11,680,045 is: 16,077,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401,884.68 : 18,447,908.70 = 11,680,045 : x
  2. Step 2: Convert to fraction form
    13,401,884.68/18,447,908.70 = 11,680,045/x
  3. Step 3: Cross multiply
    13,401,884.68x = 18,447,908.70 × 11,680,045
  4. Step 4: Simplify right side
    13,401,884.68x = 215,472,403,771,891.50
  5. Step 5: Solve for x
    x = 215,472,403,771,891.50/13,401,884.68
  6. Step 6: Final answer
    x = 16,077,768.83

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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.