Home / 18,654,851.42-27,961,050.87-11,352,204.89

Finding the Fourth Proportional to 18,654,851.42, 27,961,050.87 and 11,352,204.89

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Solution

The fourth proportional to 18,654,851.42, 27,961,050.87 and 11,352,204.89 is: 17,015,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654,851.42 : 27,961,050.87 = 11,352,204.89 : x
  2. Step 2: Convert to fraction form
    18,654,851.42/27,961,050.87 = 11,352,204.89/x
  3. Step 3: Cross multiply
    18,654,851.42x = 27,961,050.87 × 11,352,204.89
  4. Step 4: Simplify right side
    18,654,851.42x = 317,419,578,415,952.81
  5. Step 5: Solve for x
    x = 317,419,578,415,952.81/18,654,851.42
  6. Step 6: Final answer
    x = 17,015,390.33

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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.