Home / 12,422,022.88-17,149,120.32-8,712,246.64

Finding the Fourth Proportional to 12,422,022.88, 17,149,120.32 and 8,712,246.64

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Solution

The fourth proportional to 12,422,022.88, 17,149,120.32 and 8,712,246.64 is: 12,027,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422,022.88 : 17,149,120.32 = 8,712,246.64 : x
  2. Step 2: Convert to fraction form
    12,422,022.88/17,149,120.32 = 8,712,246.64/x
  3. Step 3: Cross multiply
    12,422,022.88x = 17,149,120.32 × 8,712,246.64
  4. Step 4: Simplify right side
    12,422,022.88x = 149,407,365,886,875.75
  5. Step 5: Solve for x
    x = 149,407,365,886,875.75/12,422,022.88
  6. Step 6: Final answer
    x = 12,027,619.60

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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.