Home / 30,640,741.20-42,284,212.44-16,889,934.96

Finding the Fourth Proportional to 30,640,741.20, 42,284,212.44 and 16,889,934.96

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Solution

The fourth proportional to 30,640,741.20, 42,284,212.44 and 16,889,934.96 is: 23,308,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,741.20 : 42,284,212.44 = 16,889,934.96 : x
  2. Step 2: Convert to fraction form
    30,640,741.20/42,284,212.44 = 16,889,934.96/x
  3. Step 3: Cross multiply
    30,640,741.20x = 42,284,212.44 × 16,889,934.96
  4. Step 4: Simplify right side
    30,640,741.20x = 714,177,597,946,422.88
  5. Step 5: Solve for x
    x = 714,177,597,946,422.88/30,640,741.20
  6. Step 6: Final answer
    x = 23,308,104.50

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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.