Home / 13,189,269.31-18,202,201.38-8,298,683.51

Finding the Fourth Proportional to 13,189,269.31, 18,202,201.38 and 8,298,683.51

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Solution

The fourth proportional to 13,189,269.31, 18,202,201.38 and 8,298,683.51 is: 11,452,818.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189,269.31 : 18,202,201.38 = 8,298,683.51 : x
  2. Step 2: Convert to fraction form
    13,189,269.31/18,202,201.38 = 8,298,683.51/x
  3. Step 3: Cross multiply
    13,189,269.31x = 18,202,201.38 × 8,298,683.51
  4. Step 4: Simplify right side
    13,189,269.31x = 151,054,308,437,905.22
  5. Step 5: Solve for x
    x = 151,054,308,437,905.22/13,189,269.31
  6. Step 6: Final answer
    x = 11,452,818.57

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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.