Home / 13,310,445.06-18,368,426.43-7,198,873.56

Finding the Fourth Proportional to 13,310,445.06, 18,368,426.43 and 7,198,873.56

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Solution

The fourth proportional to 13,310,445.06, 18,368,426.43 and 7,198,873.56 is: 9,934,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,445.06 : 18,368,426.43 = 7,198,873.56 : x
  2. Step 2: Convert to fraction form
    13,310,445.06/18,368,426.43 = 7,198,873.56/x
  3. Step 3: Cross multiply
    13,310,445.06x = 18,368,426.43 × 7,198,873.56
  4. Step 4: Simplify right side
    13,310,445.06x = 132,231,979,365,732.19
  5. Step 5: Solve for x
    x = 132,231,979,365,732.19/13,310,445.06
  6. Step 6: Final answer
    x = 9,934,452.14

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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.