Finding the Fourth Proportional to 11,208,778.41, 16,813,183.95 and 3,121,777.29
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Solution
The fourth proportional to 11,208,778.41, 16,813,183.95 and 3,121,777.29 is: 4,682,670.48
Step by Step Solution
- Step 1: Write the proportion equation
11,208,778.41 : 16,813,183.95 = 3,121,777.29 : x - Step 2: Convert to fraction form
11,208,778.41/16,813,183.95 = 3,121,777.29/x - Step 3: Cross multiply
11,208,778.41x = 16,813,183.95 × 3,121,777.29 - Step 4: Simplify right side
11,208,778.41x = 52,487,015,827,702.49 - Step 5: Solve for x
x = 52,487,015,827,702.49/11,208,778.41 - Step 6: Final answer
x = 4,682,670.48
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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.