Home / 21,234,031.92-29,302,612.32-11,814,469.80

Finding the Fourth Proportional to 21,234,031.92, 29,302,612.32 and 11,814,469.80

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Solution

The fourth proportional to 21,234,031.92, 29,302,612.32 and 11,814,469.80 is: 16,303,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,234,031.92 : 29,302,612.32 = 11,814,469.80 : x
  2. Step 2: Convert to fraction form
    21,234,031.92/29,302,612.32 = 11,814,469.80/x
  3. Step 3: Cross multiply
    21,234,031.92x = 29,302,612.32 × 11,814,469.80
  4. Step 4: Simplify right side
    21,234,031.92x = 346,194,828,315,747.94
  5. Step 5: Solve for x
    x = 346,194,828,315,747.94/21,234,031.92
  6. Step 6: Final answer
    x = 16,303,772.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.