Home / 11,068,189.90-15,268,293.39-9,005,512.30

Finding the Fourth Proportional to 11,068,189.90, 15,268,293.39 and 9,005,512.30

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Solution

The fourth proportional to 11,068,189.90, 15,268,293.39 and 9,005,512.30 is: 12,422,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068,189.90 : 15,268,293.39 = 9,005,512.30 : x
  2. Step 2: Convert to fraction form
    11,068,189.90/15,268,293.39 = 9,005,512.30/x
  3. Step 3: Cross multiply
    11,068,189.90x = 15,268,293.39 × 9,005,512.30
  4. Step 4: Simplify right side
    11,068,189.90x = 137,498,803,923,653.72
  5. Step 5: Solve for x
    x = 137,498,803,923,653.72/11,068,189.90
  6. Step 6: Final answer
    x = 12,422,880.81

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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.