Home / 20,200,656.84-27,876,101.04-11,379,902.64

Finding the Fourth Proportional to 20,200,656.84, 27,876,101.04 and 11,379,902.64

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Solution

The fourth proportional to 20,200,656.84, 27,876,101.04 and 11,379,902.64 is: 15,703,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200,656.84 : 27,876,101.04 = 11,379,902.64 : x
  2. Step 2: Convert to fraction form
    20,200,656.84/27,876,101.04 = 11,379,902.64/x
  3. Step 3: Cross multiply
    20,200,656.84x = 27,876,101.04 × 11,379,902.64
  4. Step 4: Simplify right side
    20,200,656.84x = 317,227,315,818,002.75
  5. Step 5: Solve for x
    x = 317,227,315,818,002.75/20,200,656.84
  6. Step 6: Final answer
    x = 15,703,811.93

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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.