Home / 12,635,837.88-18,953,741.46-4,116,160.44

Finding the Fourth Proportional to 12,635,837.88, 18,953,741.46 and 4,116,160.44

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Solution

The fourth proportional to 12,635,837.88, 18,953,741.46 and 4,116,160.44 is: 6,174,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,837.88 : 18,953,741.46 = 4,116,160.44 : x
  2. Step 2: Convert to fraction form
    12,635,837.88/18,953,741.46 = 4,116,160.44/x
  3. Step 3: Cross multiply
    12,635,837.88x = 18,953,741.46 × 4,116,160.44
  4. Step 4: Simplify right side
    12,635,837.88x = 78,016,640,787,639.84
  5. Step 5: Solve for x
    x = 78,016,640,787,639.84/12,635,837.88
  6. Step 6: Final answer
    x = 6,174,235.66

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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.