Home / 13,383,329.60-20,052,832.80-7,693,630.40

Finding the Fourth Proportional to 13,383,329.60, 20,052,832.80 and 7,693,630.40

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Solution

The fourth proportional to 13,383,329.60, 20,052,832.80 and 7,693,630.40 is: 11,527,705.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383,329.60 : 20,052,832.80 = 7,693,630.40 : x
  2. Step 2: Convert to fraction form
    13,383,329.60/20,052,832.80 = 7,693,630.40/x
  3. Step 3: Cross multiply
    13,383,329.60x = 20,052,832.80 × 7,693,630.40
  4. Step 4: Simplify right side
    13,383,329.60x = 154,279,084,036,197.12
  5. Step 5: Solve for x
    x = 154,279,084,036,197.12/13,383,329.60
  6. Step 6: Final answer
    x = 11,527,705.63

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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.