Home / 10,649,021.72-15,980,719.88-4,171,293.57

Finding the Fourth Proportional to 10,649,021.72, 15,980,719.88 and 4,171,293.57

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Solution

The fourth proportional to 10,649,021.72, 15,980,719.88 and 4,171,293.57 is: 6,259,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649,021.72 : 15,980,719.88 = 4,171,293.57 : x
  2. Step 2: Convert to fraction form
    10,649,021.72/15,980,719.88 = 4,171,293.57/x
  3. Step 3: Cross multiply
    10,649,021.72x = 15,980,719.88 × 4,171,293.57
  4. Step 4: Simplify right side
    10,649,021.72x = 66,660,274,058,558.70
  5. Step 5: Solve for x
    x = 66,660,274,058,558.70/10,649,021.72
  6. Step 6: Final answer
    x = 6,259,755.67

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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.