Home / 12,649,112.20-18,945,674.70-10,409,624.20

Finding the Fourth Proportional to 12,649,112.20, 18,945,674.70 and 10,409,624.20

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Solution

The fourth proportional to 12,649,112.20, 18,945,674.70 and 10,409,624.20 is: 15,591,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,649,112.20 : 18,945,674.70 = 10,409,624.20 : x
  2. Step 2: Convert to fraction form
    12,649,112.20/18,945,674.70 = 10,409,624.20/x
  3. Step 3: Cross multiply
    12,649,112.20x = 18,945,674.70 × 10,409,624.20
  4. Step 4: Simplify right side
    12,649,112.20x = 197,217,353,842,447.72
  5. Step 5: Solve for x
    x = 197,217,353,842,447.72/12,649,112.20
  6. Step 6: Final answer
    x = 15,591,398.88

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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.