Home / 12,896,388.11-17,797,147.92-7,389,643.77

Finding the Fourth Proportional to 12,896,388.11, 17,797,147.92 and 7,389,643.77

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Solution

The fourth proportional to 12,896,388.11, 17,797,147.92 and 7,389,643.77 is: 10,197,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,388.11 : 17,797,147.92 = 7,389,643.77 : x
  2. Step 2: Convert to fraction form
    12,896,388.11/17,797,147.92 = 7,389,643.77/x
  3. Step 3: Cross multiply
    12,896,388.11x = 17,797,147.92 × 7,389,643.77
  4. Step 4: Simplify right side
    12,896,388.11x = 131,514,583,250,796.47
  5. Step 5: Solve for x
    x = 131,514,583,250,796.47/12,896,388.11
  6. Step 6: Final answer
    x = 10,197,784.22

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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.