Home / 12,462,986.20-17,208,032.16-8,055,320.06

Finding the Fourth Proportional to 12,462,986.20, 17,208,032.16 and 8,055,320.06

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Solution

The fourth proportional to 12,462,986.20, 17,208,032.16 and 8,055,320.06 is: 11,122,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,986.20 : 17,208,032.16 = 8,055,320.06 : x
  2. Step 2: Convert to fraction form
    12,462,986.20/17,208,032.16 = 8,055,320.06/x
  3. Step 3: Cross multiply
    12,462,986.20x = 17,208,032.16 × 8,055,320.06
  4. Step 4: Simplify right side
    12,462,986.20x = 138,616,206,651,573.12
  5. Step 5: Solve for x
    x = 138,616,206,651,573.12/12,462,986.20
  6. Step 6: Final answer
    x = 11,122,230.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.