Home / 31,796,735.20-47,695,102.80-7,862,207.20

Finding the Fourth Proportional to 31,796,735.20, 47,695,102.80 and 7,862,207.20

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Solution

The fourth proportional to 31,796,735.20, 47,695,102.80 and 7,862,207.20 is: 11,793,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,796,735.20 : 47,695,102.80 = 7,862,207.20 : x
  2. Step 2: Convert to fraction form
    31,796,735.20/47,695,102.80 = 7,862,207.20/x
  3. Step 3: Cross multiply
    31,796,735.20x = 47,695,102.80 × 7,862,207.20
  4. Step 4: Simplify right side
    31,796,735.20x = 374,988,780,638,900.12
  5. Step 5: Solve for x
    x = 374,988,780,638,900.12/31,796,735.20
  6. Step 6: Final answer
    x = 11,793,310.80

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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.