Finding the Fourth Proportional to 30,329,668.92, 45,512,480.52 and 11,173,867.14
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Solution
The fourth proportional to 30,329,668.92, 45,512,480.52 and 11,173,867.14 is: 16,767,423.74
Step by Step Solution
- Step 1: Write the proportion equation
30,329,668.92 : 45,512,480.52 = 11,173,867.14 : x - Step 2: Convert to fraction form
30,329,668.92/45,512,480.52 = 11,173,867.14/x - Step 3: Cross multiply
30,329,668.92x = 45,512,480.52 × 11,173,867.14 - Step 4: Simplify right side
30,329,668.92x = 508,550,410,542,318.19 - Step 5: Solve for x
x = 508,550,410,542,318.19/30,329,668.92 - Step 6: Final answer
x = 16,767,423.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.