Home / 18,979,836.04-28,463,866.62-6,847,722.28

Finding the Fourth Proportional to 18,979,836.04, 28,463,866.62 and 6,847,722.28

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Solution

The fourth proportional to 18,979,836.04, 28,463,866.62 and 6,847,722.28 is: 10,269,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,836.04 : 28,463,866.62 = 6,847,722.28 : x
  2. Step 2: Convert to fraction form
    18,979,836.04/28,463,866.62 = 6,847,722.28/x
  3. Step 3: Cross multiply
    18,979,836.04x = 28,463,866.62 × 6,847,722.28
  4. Step 4: Simplify right side
    18,979,836.04x = 194,912,653,628,722.31
  5. Step 5: Solve for x
    x = 194,912,653,628,722.31/18,979,836.04
  6. Step 6: Final answer
    x = 10,269,459.29

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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.