Home / 13,428,175.14-18,530,884.35-7,316,603.64

Finding the Fourth Proportional to 13,428,175.14, 18,530,884.35 and 7,316,603.64

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Solution

The fourth proportional to 13,428,175.14, 18,530,884.35 and 7,316,603.64 is: 10,096,914.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,175.14 : 18,530,884.35 = 7,316,603.64 : x
  2. Step 2: Convert to fraction form
    13,428,175.14/18,530,884.35 = 7,316,603.64/x
  3. Step 3: Cross multiply
    13,428,175.14x = 18,530,884.35 × 7,316,603.64
  4. Step 4: Simplify right side
    13,428,175.14x = 135,583,135,887,629.03
  5. Step 5: Solve for x
    x = 135,583,135,887,629.03/13,428,175.14
  6. Step 6: Final answer
    x = 10,096,914.47

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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.