Home / 12,531,887.82-18,794,184.97-4,853,820.16

Finding the Fourth Proportional to 12,531,887.82, 18,794,184.97 and 4,853,820.16

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Solution

The fourth proportional to 12,531,887.82, 18,794,184.97 and 4,853,820.16 is: 7,279,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531,887.82 : 18,794,184.97 = 4,853,820.16 : x
  2. Step 2: Convert to fraction form
    12,531,887.82/18,794,184.97 = 4,853,820.16/x
  3. Step 3: Cross multiply
    12,531,887.82x = 18,794,184.97 × 4,853,820.16
  4. Step 4: Simplify right side
    12,531,887.82x = 91,223,593,898,155
  5. Step 5: Solve for x
    x = 91,223,593,898,155/12,531,887.82
  6. Step 6: Final answer
    x = 7,279,317.79

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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.