Home / 14,906,533.36-20,571,745.80-8,382,216.64

Finding the Fourth Proportional to 14,906,533.36, 20,571,745.80 and 8,382,216.64

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Solution

The fourth proportional to 14,906,533.36, 20,571,745.80 and 8,382,216.64 is: 11,567,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,533.36 : 20,571,745.80 = 8,382,216.64 : x
  2. Step 2: Convert to fraction form
    14,906,533.36/20,571,745.80 = 8,382,216.64/x
  3. Step 3: Cross multiply
    14,906,533.36x = 20,571,745.80 × 8,382,216.64
  4. Step 4: Simplify right side
    14,906,533.36x = 172,436,829,958,610.12
  5. Step 5: Solve for x
    x = 172,436,829,958,610.12/14,906,533.36
  6. Step 6: Final answer
    x = 11,567,869.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.