Home / 16,642,422.20-24,963,633.30-8,128,220.60

Finding the Fourth Proportional to 16,642,422.20, 24,963,633.30 and 8,128,220.60

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Solution

The fourth proportional to 16,642,422.20, 24,963,633.30 and 8,128,220.60 is: 12,192,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,642,422.20 : 24,963,633.30 = 8,128,220.60 : x
  2. Step 2: Convert to fraction form
    16,642,422.20/24,963,633.30 = 8,128,220.60/x
  3. Step 3: Cross multiply
    16,642,422.20x = 24,963,633.30 × 8,128,220.60
  4. Step 4: Simplify right side
    16,642,422.20x = 202,909,918,439,905.97
  5. Step 5: Solve for x
    x = 202,909,918,439,905.97/16,642,422.20
  6. Step 6: Final answer
    x = 12,192,330.90

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1.5x scale

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.