Home / 14,485,378.40-21,728,067.60-4,387,999.40

Finding the Fourth Proportional to 14,485,378.40, 21,728,067.60 and 4,387,999.40

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Solution

The fourth proportional to 14,485,378.40, 21,728,067.60 and 4,387,999.40 is: 6,581,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485,378.40 : 21,728,067.60 = 4,387,999.40 : x
  2. Step 2: Convert to fraction form
    14,485,378.40/21,728,067.60 = 4,387,999.40/x
  3. Step 3: Cross multiply
    14,485,378.40x = 21,728,067.60 × 4,387,999.40
  4. Step 4: Simplify right side
    14,485,378.40x = 95,342,747,591,959.45
  5. Step 5: Solve for x
    x = 95,342,747,591,959.45/14,485,378.40
  6. Step 6: Final answer
    x = 6,581,999.10

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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.