Home / 39,259,405.26-54,179,767.35-21,856,855.77

Finding the Fourth Proportional to 39,259,405.26, 54,179,767.35 and 21,856,855.77

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Solution

The fourth proportional to 39,259,405.26, 54,179,767.35 and 21,856,855.77 is: 30,163,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,259,405.26 : 54,179,767.35 = 21,856,855.77 : x
  2. Step 2: Convert to fraction form
    39,259,405.26/54,179,767.35 = 21,856,855.77/x
  3. Step 3: Cross multiply
    39,259,405.26x = 54,179,767.35 × 21,856,855.77
  4. Step 4: Simplify right side
    39,259,405.26x = 1,184,199,360,621,105
  5. Step 5: Solve for x
    x = 1,184,199,360,621,105/39,259,405.26
  6. Step 6: Final answer
    x = 30,163,456.45

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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.