Home / 12,881,497.60-19,322,246.40-5,305,945.60

Finding the Fourth Proportional to 12,881,497.60, 19,322,246.40 and 5,305,945.60

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Solution

The fourth proportional to 12,881,497.60, 19,322,246.40 and 5,305,945.60 is: 7,958,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881,497.60 : 19,322,246.40 = 5,305,945.60 : x
  2. Step 2: Convert to fraction form
    12,881,497.60/19,322,246.40 = 5,305,945.60/x
  3. Step 3: Cross multiply
    12,881,497.60x = 19,322,246.40 × 5,305,945.60
  4. Step 4: Simplify right side
    12,881,497.60x = 102,522,788,268,195.83
  5. Step 5: Solve for x
    x = 102,522,788,268,195.83/12,881,497.60
  6. Step 6: Final answer
    x = 7,958,918.40

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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.