Home / 40,128,261.45-55,380,416.13-22,727,702.13

Finding the Fourth Proportional to 40,128,261.45, 55,380,416.13 and 22,727,702.13

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Solution

The fourth proportional to 40,128,261.45, 55,380,416.13 and 22,727,702.13 is: 31,366,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,261.45 : 55,380,416.13 = 22,727,702.13 : x
  2. Step 2: Convert to fraction form
    40,128,261.45/55,380,416.13 = 22,727,702.13/x
  3. Step 3: Cross multiply
    40,128,261.45x = 55,380,416.13 × 22,727,702.13
  4. Step 4: Simplify right side
    40,128,261.45x = 1,258,669,601,638,087.25
  5. Step 5: Solve for x
    x = 1,258,669,601,638,087.25/40,128,261.45
  6. Step 6: Final answer
    x = 31,366,163.30

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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.