Home / 13,503,996.57-18,635,513.83-7,309,042.25

Finding the Fourth Proportional to 13,503,996.57, 18,635,513.83 and 7,309,042.25

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Solution

The fourth proportional to 13,503,996.57, 18,635,513.83 and 7,309,042.25 is: 10,086,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503,996.57 : 18,635,513.83 = 7,309,042.25 : x
  2. Step 2: Convert to fraction form
    13,503,996.57/18,635,513.83 = 7,309,042.25/x
  3. Step 3: Cross multiply
    13,503,996.57x = 18,635,513.83 × 7,309,042.25
  4. Step 4: Simplify right side
    13,503,996.57x = 136,207,757,962,245.52
  5. Step 5: Solve for x
    x = 136,207,757,962,245.52/13,503,996.57
  6. Step 6: Final answer
    x = 10,086,477.53

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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.