Home / 30,783,672.79-42,481,965.44-16,846,238.90

Finding the Fourth Proportional to 30,783,672.79, 42,481,965.44 and 16,846,238.90

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Solution

The fourth proportional to 30,783,672.79, 42,481,965.44 and 16,846,238.90 is: 23,248,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,783,672.79 : 42,481,965.44 = 16,846,238.90 : x
  2. Step 2: Convert to fraction form
    30,783,672.79/42,481,965.44 = 16,846,238.90/x
  3. Step 3: Cross multiply
    30,783,672.79x = 42,481,965.44 × 16,846,238.90
  4. Step 4: Simplify right side
    30,783,672.79x = 715,661,338,892,104.12
  5. Step 5: Solve for x
    x = 715,661,338,892,104.12/30,783,672.79
  6. Step 6: Final answer
    x = 23,248,081.66

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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.