Home / 21,293,032.60-31,952,670.90-8,512,204.60

Finding the Fourth Proportional to 21,293,032.60, 31,952,670.90 and 8,512,204.60

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Solution

The fourth proportional to 21,293,032.60, 31,952,670.90 and 8,512,204.60 is: 12,773,552.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293,032.60 : 31,952,670.90 = 8,512,204.60 : x
  2. Step 2: Convert to fraction form
    21,293,032.60/31,952,670.90 = 8,512,204.60/x
  3. Step 3: Cross multiply
    21,293,032.60x = 31,952,670.90 × 8,512,204.60
  4. Step 4: Simplify right side
    21,293,032.60x = 271,987,672,217,266.12
  5. Step 5: Solve for x
    x = 271,987,672,217,266.12/21,293,032.60
  6. Step 6: Final answer
    x = 12,773,552.61

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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.