Home / 20,659,059.12-28,509,719.94-11,366,751

Finding the Fourth Proportional to 20,659,059.12, 28,509,719.94 and 11,366,751

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Solution

The fourth proportional to 20,659,059.12, 28,509,719.94 and 11,366,751 is: 15,686,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659,059.12 : 28,509,719.94 = 11,366,751 : x
  2. Step 2: Convert to fraction form
    20,659,059.12/28,509,719.94 = 11,366,751/x
  3. Step 3: Cross multiply
    20,659,059.12x = 28,509,719.94 × 11,366,751
  4. Step 4: Simplify right side
    20,659,059.12x = 324,062,887,637,714.94
  5. Step 5: Solve for x
    x = 324,062,887,637,714.94/20,659,059.12
  6. Step 6: Final answer
    x = 15,686,236.52

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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.