Home / 13,428,181.64-18,530,893.32-7,316,610.16

Finding the Fourth Proportional to 13,428,181.64, 18,530,893.32 and 7,316,610.16

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Solution

The fourth proportional to 13,428,181.64, 18,530,893.32 and 7,316,610.16 is: 10,096,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,181.64 : 18,530,893.32 = 7,316,610.16 : x
  2. Step 2: Convert to fraction form
    13,428,181.64/18,530,893.32 = 7,316,610.16/x
  3. Step 3: Cross multiply
    13,428,181.64x = 18,530,893.32 × 7,316,610.16
  4. Step 4: Simplify right side
    13,428,181.64x = 135,583,322,338,988.14
  5. Step 5: Solve for x
    x = 135,583,322,338,988.14/13,428,181.64
  6. Step 6: Final answer
    x = 10,096,923.47

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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.