Home / 7,963,452.79-11,945,221.85-1,979,820.79

Finding the Fourth Proportional to 7,963,452.79, 11,945,221.85 and 1,979,820.79

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Solution

The fourth proportional to 7,963,452.79, 11,945,221.85 and 1,979,820.79 is: 2,969,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963,452.79 : 11,945,221.85 = 1,979,820.79 : x
  2. Step 2: Convert to fraction form
    7,963,452.79/11,945,221.85 = 1,979,820.79/x
  3. Step 3: Cross multiply
    7,963,452.79x = 11,945,221.85 × 1,979,820.79
  4. Step 4: Simplify right side
    7,963,452.79x = 23,649,398,559,792.26
  5. Step 5: Solve for x
    x = 23,649,398,559,792.26/7,963,452.79
  6. Step 6: Final answer
    x = 2,969,741.79

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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.