Home / 15,860,342.45-21,887,272.56-8,984,824.51

Finding the Fourth Proportional to 15,860,342.45, 21,887,272.56 and 8,984,824.51

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Solution

The fourth proportional to 15,860,342.45, 21,887,272.56 and 8,984,824.51 is: 12,399,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860,342.45 : 21,887,272.56 = 8,984,824.51 : x
  2. Step 2: Convert to fraction form
    15,860,342.45/21,887,272.56 = 8,984,824.51/x
  3. Step 3: Cross multiply
    15,860,342.45x = 21,887,272.56 × 8,984,824.51
  4. Step 4: Simplify right side
    15,860,342.45x = 196,653,302,954,138.44
  5. Step 5: Solve for x
    x = 196,653,302,954,138.44/15,860,342.45
  6. Step 6: Final answer
    x = 12,399,057.81

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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.