Home / 15,404,683.56-21,259,127.48-8,529,165.48

Finding the Fourth Proportional to 15,404,683.56, 21,259,127.48 and 8,529,165.48

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Solution

The fourth proportional to 15,404,683.56, 21,259,127.48 and 8,529,165.48 is: 11,770,616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,683.56 : 21,259,127.48 = 8,529,165.48 : x
  2. Step 2: Convert to fraction form
    15,404,683.56/21,259,127.48 = 8,529,165.48/x
  3. Step 3: Cross multiply
    15,404,683.56x = 21,259,127.48 × 8,529,165.48
  4. Step 4: Simplify right side
    15,404,683.56x = 181,322,616,237,335.41
  5. Step 5: Solve for x
    x = 181,322,616,237,335.41/15,404,683.56
  6. Step 6: Final answer
    x = 11,770,616.09

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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.