Home / 18,327,116-25,291,420.32-10,179,112.16

Finding the Fourth Proportional to 18,327,116, 25,291,420.32 and 10,179,112.16

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Solution

The fourth proportional to 18,327,116, 25,291,420.32 and 10,179,112.16 is: 14,047,174.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327,116 : 25,291,420.32 = 10,179,112.16 : x
  2. Step 2: Convert to fraction form
    18,327,116/25,291,420.32 = 10,179,112.16/x
  3. Step 3: Cross multiply
    18,327,116x = 25,291,420.32 × 10,179,112.16
  4. Step 4: Simplify right side
    18,327,116x = 257,444,204,122,983.09
  5. Step 5: Solve for x
    x = 257,444,204,122,983.09/18,327,116
  6. Step 6: Final answer
    x = 14,047,174.91

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1.5x scale

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.