Home / 19,963,255.80-29,944,883.70-7,179,147.30

Finding the Fourth Proportional to 19,963,255.80, 29,944,883.70 and 7,179,147.30

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Solution

The fourth proportional to 19,963,255.80, 29,944,883.70 and 7,179,147.30 is: 10,768,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963,255.80 : 29,944,883.70 = 7,179,147.30 : x
  2. Step 2: Convert to fraction form
    19,963,255.80/29,944,883.70 = 7,179,147.30/x
  3. Step 3: Cross multiply
    19,963,255.80x = 29,944,883.70 × 7,179,147.30
  4. Step 4: Simplify right side
    19,963,255.80x = 214,978,730,963,669
  5. Step 5: Solve for x
    x = 214,978,730,963,669/19,963,255.80
  6. Step 6: Final answer
    x = 10,768,720.95

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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.