Home / 12,009,815.40-18,014,723.10-11,584,662.60

Finding the Fourth Proportional to 12,009,815.40, 18,014,723.10 and 11,584,662.60

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Solution

The fourth proportional to 12,009,815.40, 18,014,723.10 and 11,584,662.60 is: 17,376,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009,815.40 : 18,014,723.10 = 11,584,662.60 : x
  2. Step 2: Convert to fraction form
    12,009,815.40/18,014,723.10 = 11,584,662.60/x
  3. Step 3: Cross multiply
    12,009,815.40x = 18,014,723.10 × 11,584,662.60
  4. Step 4: Simplify right side
    12,009,815.40x = 208,694,488,945,926.06
  5. Step 5: Solve for x
    x = 208,694,488,945,926.06/12,009,815.40
  6. Step 6: Final answer
    x = 17,376,993.90

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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.