Home / 15,751,921.60-23,627,882.40-11,972,785.60

Finding the Fourth Proportional to 15,751,921.60, 23,627,882.40 and 11,972,785.60

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Solution

The fourth proportional to 15,751,921.60, 23,627,882.40 and 11,972,785.60 is: 17,959,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751,921.60 : 23,627,882.40 = 11,972,785.60 : x
  2. Step 2: Convert to fraction form
    15,751,921.60/23,627,882.40 = 11,972,785.60/x
  3. Step 3: Cross multiply
    15,751,921.60x = 23,627,882.40 × 11,972,785.60
  4. Step 4: Simplify right side
    15,751,921.60x = 282,891,570,157,213.44
  5. Step 5: Solve for x
    x = 282,891,570,157,213.44/15,751,921.60
  6. Step 6: Final answer
    x = 17,959,178.40

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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.