Home / 21,347,257.56-29,458,858.20-11,557,622.27

Finding the Fourth Proportional to 21,347,257.56, 29,458,858.20 and 11,557,622.27

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Solution

The fourth proportional to 21,347,257.56, 29,458,858.20 and 11,557,622.27 is: 15,949,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347,257.56 : 29,458,858.20 = 11,557,622.27 : x
  2. Step 2: Convert to fraction form
    21,347,257.56/29,458,858.20 = 11,557,622.27/x
  3. Step 3: Cross multiply
    21,347,257.56x = 29,458,858.20 × 11,557,622.27
  4. Step 4: Simplify right side
    21,347,257.56x = 340,474,355,433,797.81
  5. Step 5: Solve for x
    x = 340,474,355,433,797.81/21,347,257.56
  6. Step 6: Final answer
    x = 15,949,325.32

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1.5x scale

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.