Home / 15,837,849-21,856,231.62-8,594,505

Finding the Fourth Proportional to 15,837,849, 21,856,231.62 and 8,594,505

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Solution

The fourth proportional to 15,837,849, 21,856,231.62 and 8,594,505 is: 11,860,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,837,849 : 21,856,231.62 = 8,594,505 : x
  2. Step 2: Convert to fraction form
    15,837,849/21,856,231.62 = 8,594,505/x
  3. Step 3: Cross multiply
    15,837,849x = 21,856,231.62 × 8,594,505
  4. Step 4: Simplify right side
    15,837,849x = 187,843,491,939,248.09
  5. Step 5: Solve for x
    x = 187,843,491,939,248.09/15,837,849
  6. Step 6: Final answer
    x = 11,860,416.90

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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.