Home / 13,564,379.97-18,714,214.80-8,405,859.33

Finding the Fourth Proportional to 13,564,379.97, 18,714,214.80 and 8,405,859.33

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Solution

The fourth proportional to 13,564,379.97, 18,714,214.80 and 8,405,859.33 is: 11,597,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,379.97 : 18,714,214.80 = 8,405,859.33 : x
  2. Step 2: Convert to fraction form
    13,564,379.97/18,714,214.80 = 8,405,859.33/x
  3. Step 3: Cross multiply
    13,564,379.97x = 18,714,214.80 × 8,405,859.33
  4. Step 4: Simplify right side
    13,564,379.97x = 157,309,057,080,204.09
  5. Step 5: Solve for x
    x = 157,309,057,080,204.09/13,564,379.97
  6. Step 6: Final answer
    x = 11,597,216.93

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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.