Home / 13,428,177.14-18,530,887.12-7,316,605.64

Finding the Fourth Proportional to 13,428,177.14, 18,530,887.12 and 7,316,605.64

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Solution

The fourth proportional to 13,428,177.14, 18,530,887.12 and 7,316,605.64 is: 10,096,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,177.14 : 18,530,887.12 = 7,316,605.64 : x
  2. Step 2: Convert to fraction form
    13,428,177.14/18,530,887.12 = 7,316,605.64/x
  3. Step 3: Cross multiply
    13,428,177.14x = 18,530,887.12 × 7,316,605.64
  4. Step 4: Simplify right side
    13,428,177.14x = 135,583,193,216,395.36
  5. Step 5: Solve for x
    x = 135,583,193,216,395.36/13,428,177.14
  6. Step 6: Final answer
    x = 10,096,917.24

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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.