Home / 23,142,405.96-31,936,811.22-13,354,881.12

Finding the Fourth Proportional to 23,142,405.96, 31,936,811.22 and 13,354,881.12

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Solution

The fourth proportional to 23,142,405.96, 31,936,811.22 and 13,354,881.12 is: 18,429,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,142,405.96 : 31,936,811.22 = 13,354,881.12 : x
  2. Step 2: Convert to fraction form
    23,142,405.96/31,936,811.22 = 13,354,881.12/x
  3. Step 3: Cross multiply
    23,142,405.96x = 31,936,811.22 × 13,354,881.12
  4. Step 4: Simplify right side
    23,142,405.96x = 426,512,317,194,982.12
  5. Step 5: Solve for x
    x = 426,512,317,194,982.12/23,142,405.96
  6. Step 6: Final answer
    x = 18,429,903.87

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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.