Home / 20,427,153.26-28,189,464.63-11,259,949.10

Finding the Fourth Proportional to 20,427,153.26, 28,189,464.63 and 11,259,949.10

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Solution

The fourth proportional to 20,427,153.26, 28,189,464.63 and 11,259,949.10 is: 15,538,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,427,153.26 : 28,189,464.63 = 11,259,949.10 : x
  2. Step 2: Convert to fraction form
    20,427,153.26/28,189,464.63 = 11,259,949.10/x
  3. Step 3: Cross multiply
    20,427,153.26x = 28,189,464.63 × 11,259,949.10
  4. Step 4: Simplify right side
    20,427,153.26x = 317,411,936,890,050.31
  5. Step 5: Solve for x
    x = 317,411,936,890,050.31/20,427,153.26
  6. Step 6: Final answer
    x = 15,538,725.97

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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.