Home / 13,770,871.66-19,003,538.28-7,575,556.15

Finding the Fourth Proportional to 13,770,871.66, 19,003,538.28 and 7,575,556.15

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Solution

The fourth proportional to 13,770,871.66, 19,003,538.28 and 7,575,556.15 is: 10,454,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,871.66 : 19,003,538.28 = 7,575,556.15 : x
  2. Step 2: Convert to fraction form
    13,770,871.66/19,003,538.28 = 7,575,556.15/x
  3. Step 3: Cross multiply
    13,770,871.66x = 19,003,538.28 × 7,575,556.15
  4. Step 4: Simplify right side
    13,770,871.66x = 143,962,371,288,814.44
  5. Step 5: Solve for x
    x = 143,962,371,288,814.44/13,770,871.66
  6. Step 6: Final answer
    x = 10,454,121.92

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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.