Home / 5,615,368.71-8,400,891.23-4,253,067.78

Finding the Fourth Proportional to 5,615,368.71, 8,400,891.23 and 4,253,067.78

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Solution

The fourth proportional to 5,615,368.71, 8,400,891.23 and 4,253,067.78 is: 6,362,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,368.71 : 8,400,891.23 = 4,253,067.78 : x
  2. Step 2: Convert to fraction form
    5,615,368.71/8,400,891.23 = 4,253,067.78/x
  3. Step 3: Cross multiply
    5,615,368.71x = 8,400,891.23 × 4,253,067.78
  4. Step 4: Simplify right side
    5,615,368.71x = 35,729,559,873,076.75
  5. Step 5: Solve for x
    x = 35,729,559,873,076.75/5,615,368.71
  6. Step 6: Final answer
    x = 6,362,816.36

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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.