Home / 36,797,642.72-55,196,265.32-21,225,378.27

Finding the Fourth Proportional to 36,797,642.72, 55,196,265.32 and 21,225,378.27

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Solution

The fourth proportional to 36,797,642.72, 55,196,265.32 and 21,225,378.27 is: 31,837,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,797,642.72 : 55,196,265.32 = 21,225,378.27 : x
  2. Step 2: Convert to fraction form
    36,797,642.72/55,196,265.32 = 21,225,378.27/x
  3. Step 3: Cross multiply
    36,797,642.72x = 55,196,265.32 × 21,225,378.27
  4. Step 4: Simplify right side
    36,797,642.72x = 1,171,561,610,508,282.50
  5. Step 5: Solve for x
    x = 1,171,561,610,508,282.50/36,797,642.72
  6. Step 6: Final answer
    x = 31,837,952.76

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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.