Home / 21,512,891.20-32,269,336.80-16,642,004.80

Finding the Fourth Proportional to 21,512,891.20, 32,269,336.80 and 16,642,004.80

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Solution

The fourth proportional to 21,512,891.20, 32,269,336.80 and 16,642,004.80 is: 24,963,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,512,891.20 : 32,269,336.80 = 16,642,004.80 : x
  2. Step 2: Convert to fraction form
    21,512,891.20/32,269,336.80 = 16,642,004.80/x
  3. Step 3: Cross multiply
    21,512,891.20x = 32,269,336.80 × 16,642,004.80
  4. Step 4: Simplify right side
    21,512,891.20x = 537,026,457,918,416.69
  5. Step 5: Solve for x
    x = 537,026,457,918,416.69/21,512,891.20
  6. Step 6: Final answer
    x = 24,963,007.20

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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.