Home / 29,322,133.52-40,465,907.16-18,315,399.92

Finding the Fourth Proportional to 29,322,133.52, 40,465,907.16 and 18,315,399.92

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Solution

The fourth proportional to 29,322,133.52, 40,465,907.16 and 18,315,399.92 is: 25,276,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,322,133.52 : 40,465,907.16 = 18,315,399.92 : x
  2. Step 2: Convert to fraction form
    29,322,133.52/40,465,907.16 = 18,315,399.92/x
  3. Step 3: Cross multiply
    29,322,133.52x = 40,465,907.16 × 18,315,399.92
  4. Step 4: Simplify right side
    29,322,133.52x = 741,149,272,760,991.38
  5. Step 5: Solve for x
    x = 741,149,272,760,991.38/29,322,133.52
  6. Step 6: Final answer
    x = 25,276,103.20

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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.