Home / 18,701,772.80-28,052,659.20-8,064,204.80

Finding the Fourth Proportional to 18,701,772.80, 28,052,659.20 and 8,064,204.80

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Solution

The fourth proportional to 18,701,772.80, 28,052,659.20 and 8,064,204.80 is: 12,096,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,772.80 : 28,052,659.20 = 8,064,204.80 : x
  2. Step 2: Convert to fraction form
    18,701,772.80/28,052,659.20 = 8,064,204.80/x
  3. Step 3: Cross multiply
    18,701,772.80x = 28,052,659.20 × 8,064,204.80
  4. Step 4: Simplify right side
    18,701,772.80x = 226,222,388,973,404.16
  5. Step 5: Solve for x
    x = 226,222,388,973,404.16/18,701,772.80
  6. Step 6: Final answer
    x = 12,096,307.20

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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.