Home / 14,997,213.56-20,696,046.54-8,121,536.12

Finding the Fourth Proportional to 14,997,213.56, 20,696,046.54 and 8,121,536.12

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Solution

The fourth proportional to 14,997,213.56, 20,696,046.54 and 8,121,536.12 is: 11,207,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997,213.56 : 20,696,046.54 = 8,121,536.12 : x
  2. Step 2: Convert to fraction form
    14,997,213.56/20,696,046.54 = 8,121,536.12/x
  3. Step 3: Cross multiply
    14,997,213.56x = 20,696,046.54 × 8,121,536.12
  4. Step 4: Simplify right side
    14,997,213.56x = 168,083,689,515,811.03
  5. Step 5: Solve for x
    x = 168,083,689,515,811.03/14,997,213.56
  6. Step 6: Final answer
    x = 11,207,661.27

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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.