Home / 18,531,036.45-27,796,554.68-5,067,864.45

Finding the Fourth Proportional to 18,531,036.45, 27,796,554.68 and 5,067,864.45

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Solution

The fourth proportional to 18,531,036.45, 27,796,554.68 and 5,067,864.45 is: 7,601,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531,036.45 : 27,796,554.68 = 5,067,864.45 : x
  2. Step 2: Convert to fraction form
    18,531,036.45/27,796,554.68 = 5,067,864.45/x
  3. Step 3: Cross multiply
    18,531,036.45x = 27,796,554.68 × 5,067,864.45
  4. Step 4: Simplify right side
    18,531,036.45x = 140,869,171,269,913.81
  5. Step 5: Solve for x
    x = 140,869,171,269,913.81/18,531,036.45
  6. Step 6: Final answer
    x = 7,601,796.68

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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.