Home / 40,128,266-55,380,422.32-22,727,706.64

Finding the Fourth Proportional to 40,128,266, 55,380,422.32 and 22,727,706.64

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Solution

The fourth proportional to 40,128,266, 55,380,422.32 and 22,727,706.64 is: 31,366,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,266 : 55,380,422.32 = 22,727,706.64 : x
  2. Step 2: Convert to fraction form
    40,128,266/55,380,422.32 = 22,727,706.64/x
  3. Step 3: Cross multiply
    40,128,266x = 55,380,422.32 × 22,727,706.64
  4. Step 4: Simplify right side
    40,128,266x = 1,258,669,992,088,268.25
  5. Step 5: Solve for x
    x = 1,258,669,992,088,268.25/40,128,266
  6. Step 6: Final answer
    x = 31,366,169.47

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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.