Home / 30,383,789.80-41,929,626.80-16,445,142.48

Finding the Fourth Proportional to 30,383,789.80, 41,929,626.80 and 16,445,142.48

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Solution

The fourth proportional to 30,383,789.80, 41,929,626.80 and 16,445,142.48 is: 22,694,294.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383,789.80 : 41,929,626.80 = 16,445,142.48 : x
  2. Step 2: Convert to fraction form
    30,383,789.80/41,929,626.80 = 16,445,142.48/x
  3. Step 3: Cross multiply
    30,383,789.80x = 41,929,626.80 × 16,445,142.48
  4. Step 4: Simplify right side
    30,383,789.80x = 689,538,686,859,226.38
  5. Step 5: Solve for x
    x = 689,538,686,859,226.38/30,383,789.80
  6. Step 6: Final answer
    x = 22,694,294.93

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1.5x scale

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.