Home / 31,997,741.20-47,996,611.80-25,620,449.20

Finding the Fourth Proportional to 31,997,741.20, 47,996,611.80 and 25,620,449.20

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Solution

The fourth proportional to 31,997,741.20, 47,996,611.80 and 25,620,449.20 is: 38,430,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,997,741.20 : 47,996,611.80 = 25,620,449.20 : x
  2. Step 2: Convert to fraction form
    31,997,741.20/47,996,611.80 = 25,620,449.20/x
  3. Step 3: Cross multiply
    31,997,741.20x = 47,996,611.80 × 25,620,449.20
  4. Step 4: Simplify right side
    31,997,741.20x = 1,229,694,754,394,020.50
  5. Step 5: Solve for x
    x = 1,229,694,754,394,020.50/31,997,741.20
  6. Step 6: Final answer
    x = 38,430,673.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.