Home / 31,591,378.08-47,387,067.64-7,656,850.08

Finding the Fourth Proportional to 31,591,378.08, 47,387,067.64 and 7,656,850.08

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Solution

The fourth proportional to 31,591,378.08, 47,387,067.64 and 7,656,850.08 is: 11,485,275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591,378.08 : 47,387,067.64 = 7,656,850.08 : x
  2. Step 2: Convert to fraction form
    31,591,378.08/47,387,067.64 = 7,656,850.08/x
  3. Step 3: Cross multiply
    31,591,378.08x = 47,387,067.64 × 7,656,850.08
  4. Step 4: Simplify right side
    31,591,378.08x = 362,835,672,650,299.44
  5. Step 5: Solve for x
    x = 362,835,672,650,299.44/31,591,378.08
  6. Step 6: Final answer
    x = 11,485,275.25

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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.