Home / 31,862,138.40-43,956,905.04-18,441,976.32

Finding the Fourth Proportional to 31,862,138.40, 43,956,905.04 and 18,441,976.32

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Solution

The fourth proportional to 31,862,138.40, 43,956,905.04 and 18,441,976.32 is: 25,442,492.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862,138.40 : 43,956,905.04 = 18,441,976.32 : x
  2. Step 2: Convert to fraction form
    31,862,138.40/43,956,905.04 = 18,441,976.32/x
  3. Step 3: Cross multiply
    31,862,138.40x = 43,956,905.04 × 18,441,976.32
  4. Step 4: Simplify right side
    31,862,138.40x = 810,652,201,848,168.62
  5. Step 5: Solve for x
    x = 810,652,201,848,168.62/31,862,138.40
  6. Step 6: Final answer
    x = 25,442,492.02

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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.