Home / 28,080,073.80-42,120,110.70-23,545,110.60

Finding the Fourth Proportional to 28,080,073.80, 42,120,110.70 and 23,545,110.60

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Solution

The fourth proportional to 28,080,073.80, 42,120,110.70 and 23,545,110.60 is: 35,317,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,073.80 : 42,120,110.70 = 23,545,110.60 : x
  2. Step 2: Convert to fraction form
    28,080,073.80/42,120,110.70 = 23,545,110.60/x
  3. Step 3: Cross multiply
    28,080,073.80x = 42,120,110.70 × 23,545,110.60
  4. Step 4: Simplify right side
    28,080,073.80x = 991,722,664,915,743.50
  5. Step 5: Solve for x
    x = 991,722,664,915,743.50/28,080,073.80
  6. Step 6: Final answer
    x = 35,317,665.90

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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.