Home / 12,281,867.72-18,384,464.30-9,047,052.32

Finding the Fourth Proportional to 12,281,867.72, 18,384,464.30 and 9,047,052.32

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Solution

The fourth proportional to 12,281,867.72, 18,384,464.30 and 9,047,052.32 is: 13,542,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281,867.72 : 18,384,464.30 = 9,047,052.32 : x
  2. Step 2: Convert to fraction form
    12,281,867.72/18,384,464.30 = 9,047,052.32/x
  3. Step 3: Cross multiply
    12,281,867.72x = 18,384,464.30 × 9,047,052.32
  4. Step 4: Simplify right side
    12,281,867.72x = 166,325,210,260,114.59
  5. Step 5: Solve for x
    x = 166,325,210,260,114.59/12,281,867.72
  6. Step 6: Final answer
    x = 13,542,338.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.