Home / 12,202,815.81-18,305,287.55-4,002,999.51

Finding the Fourth Proportional to 12,202,815.81, 18,305,287.55 and 4,002,999.51

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Solution

The fourth proportional to 12,202,815.81, 18,305,287.55 and 4,002,999.51 is: 6,004,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202,815.81 : 18,305,287.55 = 4,002,999.51 : x
  2. Step 2: Convert to fraction form
    12,202,815.81/18,305,287.55 = 4,002,999.51/x
  3. Step 3: Cross multiply
    12,202,815.81x = 18,305,287.55 × 4,002,999.51
  4. Step 4: Simplify right side
    12,202,815.81x = 73,276,057,171,711.42
  5. Step 5: Solve for x
    x = 73,276,057,171,711.42/12,202,815.81
  6. Step 6: Final answer
    x = 6,004,848.25

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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.