Home / 11,286,077.21-15,575,747.12-6,392,169.91

Finding the Fourth Proportional to 11,286,077.21, 15,575,747.12 and 6,392,169.91

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Solution

The fourth proportional to 11,286,077.21, 15,575,747.12 and 6,392,169.91 is: 8,821,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286,077.21 : 15,575,747.12 = 6,392,169.91 : x
  2. Step 2: Convert to fraction form
    11,286,077.21/15,575,747.12 = 6,392,169.91/x
  3. Step 3: Cross multiply
    11,286,077.21x = 15,575,747.12 × 6,392,169.91
  4. Step 4: Simplify right side
    11,286,077.21x = 99,562,821,995,332.94
  5. Step 5: Solve for x
    x = 99,562,821,995,332.94/11,286,077.21
  6. Step 6: Final answer
    x = 8,821,738.51

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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.