Home / 15,037,028.24-20,751,114.32-8,161,511.72

Finding the Fourth Proportional to 15,037,028.24, 20,751,114.32 and 8,161,511.72

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Solution

The fourth proportional to 15,037,028.24, 20,751,114.32 and 8,161,511.72 is: 11,262,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,028.24 : 20,751,114.32 = 8,161,511.72 : x
  2. Step 2: Convert to fraction form
    15,037,028.24/20,751,114.32 = 8,161,511.72/x
  3. Step 3: Cross multiply
    15,037,028.24x = 20,751,114.32 × 8,161,511.72
  4. Step 4: Simplify right side
    15,037,028.24x = 169,360,462,725,739.81
  5. Step 5: Solve for x
    x = 169,360,462,725,739.81/15,037,028.24
  6. Step 6: Final answer
    x = 11,262,894.50

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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.