Home / 21,293,048.60-31,952,694.90-8,512,220.60

Finding the Fourth Proportional to 21,293,048.60, 31,952,694.90 and 8,512,220.60

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Solution

The fourth proportional to 21,293,048.60, 31,952,694.90 and 8,512,220.60 is: 12,773,576.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293,048.60 : 31,952,694.90 = 8,512,220.60 : x
  2. Step 2: Convert to fraction form
    21,293,048.60/31,952,694.90 = 8,512,220.60/x
  3. Step 3: Cross multiply
    21,293,048.60x = 31,952,694.90 × 8,512,220.60
  4. Step 4: Simplify right side
    21,293,048.60x = 271,988,387,753,294.91
  5. Step 5: Solve for x
    x = 271,988,387,753,294.91/21,293,048.60
  6. Step 6: Final answer
    x = 12,773,576.62

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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.