Home / 12,819,168.54-17,687,624.33-7,589,579.92

Finding the Fourth Proportional to 12,819,168.54, 17,687,624.33 and 7,589,579.92

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Solution

The fourth proportional to 12,819,168.54, 17,687,624.33 and 7,589,579.92 is: 10,471,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,168.54 : 17,687,624.33 = 7,589,579.92 : x
  2. Step 2: Convert to fraction form
    12,819,168.54/17,687,624.33 = 7,589,579.92/x
  3. Step 3: Cross multiply
    12,819,168.54x = 17,687,624.33 × 7,589,579.92
  4. Step 4: Simplify right side
    12,819,168.54x = 134,241,638,422,226.34
  5. Step 5: Solve for x
    x = 134,241,638,422,226.34/12,819,168.54
  6. Step 6: Final answer
    x = 10,471,945.82

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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.