Home / 9,759,975.40-13,456,793.46-7,919,221.24

Finding the Fourth Proportional to 9,759,975.40, 13,456,793.46 and 7,919,221.24

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Solution

The fourth proportional to 9,759,975.40, 13,456,793.46 and 7,919,221.24 is: 10,918,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,759,975.40 : 13,456,793.46 = 7,919,221.24 : x
  2. Step 2: Convert to fraction form
    9,759,975.40/13,456,793.46 = 7,919,221.24/x
  3. Step 3: Cross multiply
    9,759,975.40x = 13,456,793.46 × 7,919,221.24
  4. Step 4: Simplify right side
    9,759,975.40x = 106,567,324,590,725.09
  5. Step 5: Solve for x
    x = 106,567,324,590,725.09/9,759,975.40
  6. Step 6: Final answer
    x = 10,918,810.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.