Home / 30,383,790.80-41,929,628.18-16,445,143.48

Finding the Fourth Proportional to 30,383,790.80, 41,929,628.18 and 16,445,143.48

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Solution

The fourth proportional to 30,383,790.80, 41,929,628.18 and 16,445,143.48 is: 22,694,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383,790.80 : 41,929,628.18 = 16,445,143.48 : x
  2. Step 2: Convert to fraction form
    30,383,790.80/41,929,628.18 = 16,445,143.48/x
  3. Step 3: Cross multiply
    30,383,790.80x = 41,929,628.18 × 16,445,143.48
  4. Step 4: Simplify right side
    30,383,790.80x = 689,538,751,483,151.25
  5. Step 5: Solve for x
    x = 689,538,751,483,151.25/30,383,790.80
  6. Step 6: Final answer
    x = 22,694,296.31

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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.