Home / 12,819,157.15-17,687,608.69-7,589,568.58

Finding the Fourth Proportional to 12,819,157.15, 17,687,608.69 and 7,589,568.58

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Solution

The fourth proportional to 12,819,157.15, 17,687,608.69 and 7,589,568.58 is: 10,471,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,157.15 : 17,687,608.69 = 7,589,568.58 : x
  2. Step 2: Convert to fraction form
    12,819,157.15/17,687,608.69 = 7,589,568.58/x
  3. Step 3: Cross multiply
    12,819,157.15x = 17,687,608.69 × 7,589,568.58
  4. Step 4: Simplify right side
    12,819,157.15x = 134,241,319,119,996.44
  5. Step 5: Solve for x
    x = 134,241,319,119,996.44/12,819,157.15
  6. Step 6: Final answer
    x = 10,471,930.22

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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.