Home / 11,556,764.14-15,922,655.30-7,629,525.88

Finding the Fourth Proportional to 11,556,764.14, 15,922,655.30 and 7,629,525.88

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Solution

The fourth proportional to 11,556,764.14, 15,922,655.30 and 7,629,525.88 is: 10,511,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556,764.14 : 15,922,655.30 = 7,629,525.88 : x
  2. Step 2: Convert to fraction form
    11,556,764.14/15,922,655.30 = 7,629,525.88/x
  3. Step 3: Cross multiply
    11,556,764.14x = 15,922,655.30 × 7,629,525.88
  4. Step 4: Simplify right side
    11,556,764.14x = 121,482,310,689,669.17
  5. Step 5: Solve for x
    x = 121,482,310,689,669.17/11,556,764.14
  6. Step 6: Final answer
    x = 10,511,792.85

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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.