Home / 12,072,304.80-18,103,645.80-3,983,029.20

Finding the Fourth Proportional to 12,072,304.80, 18,103,645.80 and 3,983,029.20

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Solution

The fourth proportional to 12,072,304.80, 18,103,645.80 and 3,983,029.20 is: 5,972,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072,304.80 : 18,103,645.80 = 3,983,029.20 : x
  2. Step 2: Convert to fraction form
    12,072,304.80/18,103,645.80 = 3,983,029.20/x
  3. Step 3: Cross multiply
    12,072,304.80x = 18,103,645.80 × 3,983,029.20
  4. Step 4: Simplify right side
    12,072,304.80x = 72,107,349,847,857.36
  5. Step 5: Solve for x
    x = 72,107,349,847,857.36/12,072,304.80
  6. Step 6: Final answer
    x = 5,972,956.37

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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.