Home / 21,761,240.90-32,640,680.09-6,613,991.42

Finding the Fourth Proportional to 21,761,240.90, 32,640,680.09 and 6,613,991.42

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Solution

The fourth proportional to 21,761,240.90, 32,640,680.09 and 6,613,991.42 is: 9,920,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761,240.90 : 32,640,680.09 = 6,613,991.42 : x
  2. Step 2: Convert to fraction form
    21,761,240.90/32,640,680.09 = 6,613,991.42/x
  3. Step 3: Cross multiply
    21,761,240.90x = 32,640,680.09 × 6,613,991.42
  4. Step 4: Simplify right side
    21,761,240.90x = 215,885,177,861,951.47
  5. Step 5: Solve for x
    x = 215,885,177,861,951.47/21,761,240.90
  6. Step 6: Final answer
    x = 9,920,628.10

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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.