Home / 11,988,138.90-16,543,295.74-6,555,514.26

Finding the Fourth Proportional to 11,988,138.90, 16,543,295.74 and 6,555,514.26

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Solution

The fourth proportional to 11,988,138.90, 16,543,295.74 and 6,555,514.26 is: 9,046,425.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988,138.90 : 16,543,295.74 = 6,555,514.26 : x
  2. Step 2: Convert to fraction form
    11,988,138.90/16,543,295.74 = 6,555,514.26/x
  3. Step 3: Cross multiply
    11,988,138.90x = 16,543,295.74 × 6,555,514.26
  4. Step 4: Simplify right side
    11,988,138.90x = 108,449,811,130,967.25
  5. Step 5: Solve for x
    x = 108,449,811,130,967.25/11,988,138.90
  6. Step 6: Final answer
    x = 9,046,425.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.