Home / 20,063,797.16-27,690,403.76-11,915,035.16

Finding the Fourth Proportional to 20,063,797.16, 27,690,403.76 and 11,915,035.16

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Solution

The fourth proportional to 20,063,797.16, 27,690,403.76 and 11,915,035.16 is: 16,444,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,797.16 : 27,690,403.76 = 11,915,035.16 : x
  2. Step 2: Convert to fraction form
    20,063,797.16/27,690,403.76 = 11,915,035.16/x
  3. Step 3: Cross multiply
    20,063,797.16x = 27,690,403.76 × 11,915,035.16
  4. Step 4: Simplify right side
    20,063,797.16x = 329,932,134,394,996.25
  5. Step 5: Solve for x
    x = 329,932,134,394,996.25/20,063,797.16
  6. Step 6: Final answer
    x = 16,444,152.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.