Home / 12,481,942.20-18,708,167.70-5,293,462.20

Finding the Fourth Proportional to 12,481,942.20, 18,708,167.70 and 5,293,462.20

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Solution

The fourth proportional to 12,481,942.20, 18,708,167.70 and 5,293,462.20 is: 7,933,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,942.20 : 18,708,167.70 = 5,293,462.20 : x
  2. Step 2: Convert to fraction form
    12,481,942.20/18,708,167.70 = 5,293,462.20/x
  3. Step 3: Cross multiply
    12,481,942.20x = 18,708,167.70 × 5,293,462.20
  4. Step 4: Simplify right side
    12,481,942.20x = 99,030,978,551,210.94
  5. Step 5: Solve for x
    x = 99,030,978,551,210.94/12,481,942.20
  6. Step 6: Final answer
    x = 7,933,939.84

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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.