Home / 10,906,862.20-16,360,139.70-4,923,220.60

Finding the Fourth Proportional to 10,906,862.20, 16,360,139.70 and 4,923,220.60

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Solution

The fourth proportional to 10,906,862.20, 16,360,139.70 and 4,923,220.60 is: 7,384,761.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906,862.20 : 16,360,139.70 = 4,923,220.60 : x
  2. Step 2: Convert to fraction form
    10,906,862.20/16,360,139.70 = 4,923,220.60/x
  3. Step 3: Cross multiply
    10,906,862.20x = 16,360,139.70 × 4,923,220.60
  4. Step 4: Simplify right side
    10,906,862.20x = 80,544,576,789,917.81
  5. Step 5: Solve for x
    x = 80,544,576,789,917.81/10,906,862.20
  6. Step 6: Final answer
    x = 7,384,761.57

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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.