Home / 20,997,227.16-31,489,029.18-8,042,688.45

Finding the Fourth Proportional to 20,997,227.16, 31,489,029.18 and 8,042,688.45

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Solution

The fourth proportional to 20,997,227.16, 31,489,029.18 and 8,042,688.45 is: 12,061,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,227.16 : 31,489,029.18 = 8,042,688.45 : x
  2. Step 2: Convert to fraction form
    20,997,227.16/31,489,029.18 = 8,042,688.45/x
  3. Step 3: Cross multiply
    20,997,227.16x = 31,489,029.18 × 8,042,688.45
  4. Step 4: Simplify right side
    20,997,227.16x = 253,256,451,287,698.97
  5. Step 5: Solve for x
    x = 253,256,451,287,698.97/20,997,227.16
  6. Step 6: Final answer
    x = 12,061,423.60

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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.