Home / 15,037,028.11-20,751,114.14-8,161,511.59

Finding the Fourth Proportional to 15,037,028.11, 20,751,114.14 and 8,161,511.59

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Solution

The fourth proportional to 15,037,028.11, 20,751,114.14 and 8,161,511.59 is: 11,262,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,028.11 : 20,751,114.14 = 8,161,511.59 : x
  2. Step 2: Convert to fraction form
    15,037,028.11/20,751,114.14 = 8,161,511.59/x
  3. Step 3: Cross multiply
    15,037,028.11x = 20,751,114.14 × 8,161,511.59
  4. Step 4: Simplify right side
    15,037,028.11x = 169,360,458,559,022.88
  5. Step 5: Solve for x
    x = 169,360,458,559,022.88/15,037,028.11
  6. Step 6: Final answer
    x = 11,262,894.32

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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.