Home / 12,949,181.60-19,423,772.40-11,456,189.60

Finding the Fourth Proportional to 12,949,181.60, 19,423,772.40 and 11,456,189.60

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Solution

The fourth proportional to 12,949,181.60, 19,423,772.40 and 11,456,189.60 is: 17,184,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,181.60 : 19,423,772.40 = 11,456,189.60 : x
  2. Step 2: Convert to fraction form
    12,949,181.60/19,423,772.40 = 11,456,189.60/x
  3. Step 3: Cross multiply
    12,949,181.60x = 19,423,772.40 × 11,456,189.60
  4. Step 4: Simplify right side
    12,949,181.60x = 222,522,419,361,647.03
  5. Step 5: Solve for x
    x = 222,522,419,361,647.03/12,949,181.60
  6. Step 6: Final answer
    x = 17,184,284.40

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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.