Home / 13,310,421.06-18,368,393.31-7,198,849.56

Finding the Fourth Proportional to 13,310,421.06, 18,368,393.31 and 7,198,849.56

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Solution

The fourth proportional to 13,310,421.06, 18,368,393.31 and 7,198,849.56 is: 9,934,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,421.06 : 18,368,393.31 = 7,198,849.56 : x
  2. Step 2: Convert to fraction form
    13,310,421.06/18,368,393.31 = 7,198,849.56/x
  3. Step 3: Cross multiply
    13,310,421.06x = 18,368,393.31 × 7,198,849.56
  4. Step 4: Simplify right side
    13,310,421.06x = 132,231,300,097,600.42
  5. Step 5: Solve for x
    x = 132,231,300,097,600.42/13,310,421.06
  6. Step 6: Final answer
    x = 9,934,419.02

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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.