Home / 21,305,937.92-31,958,762.88-8,529,393.92

Finding the Fourth Proportional to 21,305,937.92, 31,958,762.88 and 8,529,393.92

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Solution

The fourth proportional to 21,305,937.92, 31,958,762.88 and 8,529,393.92 is: 12,794,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,305,937.92 : 31,958,762.88 = 8,529,393.92 : x
  2. Step 2: Convert to fraction form
    21,305,937.92/31,958,762.88 = 8,529,393.92/x
  3. Step 3: Cross multiply
    21,305,937.92x = 31,958,762.88 × 8,529,393.92
  4. Step 4: Simplify right side
    21,305,937.92x = 272,588,877,799,393.69
  5. Step 5: Solve for x
    x = 272,588,877,799,393.69/21,305,937.92
  6. Step 6: Final answer
    x = 12,794,033.23

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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.