Home / 12,682,040.50-19,019,064.67-4,160,391.22

Finding the Fourth Proportional to 12,682,040.50, 19,019,064.67 and 4,160,391.22

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Solution

The fourth proportional to 12,682,040.50, 19,019,064.67 and 4,160,391.22 is: 6,239,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682,040.50 : 19,019,064.67 = 4,160,391.22 : x
  2. Step 2: Convert to fraction form
    12,682,040.50/19,019,064.67 = 4,160,391.22/x
  3. Step 3: Cross multiply
    12,682,040.50x = 19,019,064.67 × 4,160,391.22
  4. Step 4: Simplify right side
    12,682,040.50x = 79,126,749,665,680.20
  5. Step 5: Solve for x
    x = 79,126,749,665,680.20/12,682,040.50
  6. Step 6: Final answer
    x = 6,239,275.90

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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.