Home / 30,541,467.52-42,147,499.41-16,602,849.61

Finding the Fourth Proportional to 30,541,467.52, 42,147,499.41 and 16,602,849.61

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Solution

The fourth proportional to 30,541,467.52, 42,147,499.41 and 16,602,849.61 is: 22,912,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,541,467.52 : 42,147,499.41 = 16,602,849.61 : x
  2. Step 2: Convert to fraction form
    30,541,467.52/42,147,499.41 = 16,602,849.61/x
  3. Step 3: Cross multiply
    30,541,467.52x = 42,147,499.41 × 16,602,849.61
  4. Step 4: Simplify right side
    30,541,467.52x = 699,768,594,141,793.62
  5. Step 5: Solve for x
    x = 699,768,594,141,793.62/30,541,467.52
  6. Step 6: Final answer
    x = 22,912,081.54

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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.