Home / 12,294,458.20-18,446,936.10-5,901,419.80

Finding the Fourth Proportional to 12,294,458.20, 18,446,936.10 and 5,901,419.80

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Solution

The fourth proportional to 12,294,458.20, 18,446,936.10 and 5,901,419.80 is: 8,854,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294,458.20 : 18,446,936.10 = 5,901,419.80 : x
  2. Step 2: Convert to fraction form
    12,294,458.20/18,446,936.10 = 5,901,419.80/x
  3. Step 3: Cross multiply
    12,294,458.20x = 18,446,936.10 × 5,901,419.80
  4. Step 4: Simplify right side
    12,294,458.20x = 108,863,113,949,874.78
  5. Step 5: Solve for x
    x = 108,863,113,949,874.78/12,294,458.20
  6. Step 6: Final answer
    x = 8,854,649.16

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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.