Home / 12,085,862.32-18,129,293.80-3,566,198.64

Finding the Fourth Proportional to 12,085,862.32, 18,129,293.80 and 3,566,198.64

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Solution

The fourth proportional to 12,085,862.32, 18,129,293.80 and 3,566,198.64 is: 5,349,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085,862.32 : 18,129,293.80 = 3,566,198.64 : x
  2. Step 2: Convert to fraction form
    12,085,862.32/18,129,293.80 = 3,566,198.64/x
  3. Step 3: Cross multiply
    12,085,862.32x = 18,129,293.80 × 3,566,198.64
  4. Step 4: Simplify right side
    12,085,862.32x = 64,652,662,893,720.44
  5. Step 5: Solve for x
    x = 64,652,662,893,720.44/12,085,862.32
  6. Step 6: Final answer
    x = 5,349,445.59

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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.