Home / 13,662,887.52-20,465,986.32-7,965,832.80

Finding the Fourth Proportional to 13,662,887.52, 20,465,986.32 and 7,965,832.80

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Solution

The fourth proportional to 13,662,887.52, 20,465,986.32 and 7,965,832.80 is: 11,932,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662,887.52 : 20,465,986.32 = 7,965,832.80 : x
  2. Step 2: Convert to fraction form
    13,662,887.52/20,465,986.32 = 7,965,832.80/x
  3. Step 3: Cross multiply
    13,662,887.52x = 20,465,986.32 × 7,965,832.80
  4. Step 4: Simplify right side
    13,662,887.52x = 163,028,625,112,207.28
  5. Step 5: Solve for x
    x = 163,028,625,112,207.28/13,662,887.52
  6. Step 6: Final answer
    x = 11,932,223.32

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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.