Home / 12,099,511.20-18,149,266.80-10,902,784.80

Finding the Fourth Proportional to 12,099,511.20, 18,149,266.80 and 10,902,784.80

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Solution

The fourth proportional to 12,099,511.20, 18,149,266.80 and 10,902,784.80 is: 16,354,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,511.20 : 18,149,266.80 = 10,902,784.80 : x
  2. Step 2: Convert to fraction form
    12,099,511.20/18,149,266.80 = 10,902,784.80/x
  3. Step 3: Cross multiply
    12,099,511.20x = 18,149,266.80 × 10,902,784.80
  4. Step 4: Simplify right side
    12,099,511.20x = 197,877,550,198,184.66
  5. Step 5: Solve for x
    x = 197,877,550,198,184.66/12,099,511.20
  6. Step 6: Final answer
    x = 16,354,177.20

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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.