Home / 11,698,714.91-16,138,786.41-7,570,080.38

Finding the Fourth Proportional to 11,698,714.91, 16,138,786.41 and 7,570,080.38

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Solution

The fourth proportional to 11,698,714.91, 16,138,786.41 and 7,570,080.38 is: 10,443,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698,714.91 : 16,138,786.41 = 7,570,080.38 : x
  2. Step 2: Convert to fraction form
    11,698,714.91/16,138,786.41 = 7,570,080.38/x
  3. Step 3: Cross multiply
    11,698,714.91x = 16,138,786.41 × 7,570,080.38
  4. Step 4: Simplify right side
    11,698,714.91x = 122,171,910,399,698.61
  5. Step 5: Solve for x
    x = 122,171,910,399,698.61/11,698,714.91
  6. Step 6: Final answer
    x = 10,443,190.67

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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.