Home / 12,962,673.24-19,431,372.22-5,179,267.32

Finding the Fourth Proportional to 12,962,673.24, 19,431,372.22 and 5,179,267.32

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Solution

The fourth proportional to 12,962,673.24, 19,431,372.22 and 5,179,267.32 is: 7,763,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962,673.24 : 19,431,372.22 = 5,179,267.32 : x
  2. Step 2: Convert to fraction form
    12,962,673.24/19,431,372.22 = 5,179,267.32/x
  3. Step 3: Cross multiply
    12,962,673.24x = 19,431,372.22 × 5,179,267.32
  4. Step 4: Simplify right side
    12,962,673.24x = 100,640,271,121,801.84
  5. Step 5: Solve for x
    x = 100,640,271,121,801.84/12,962,673.24
  6. Step 6: Final answer
    x = 7,763,851.58

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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.