Finding the Fourth Proportional to 11,017,081.51, 15,203,941.25 and 6,122,509.90
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Solution
The fourth proportional to 11,017,081.51, 15,203,941.25 and 6,122,509.90 is: 8,449,268.59
Step by Step Solution
- Step 1: Write the proportion equation
11,017,081.51 : 15,203,941.25 = 6,122,509.90 : x - Step 2: Convert to fraction form
11,017,081.51/15,203,941.25 = 6,122,509.90/x - Step 3: Cross multiply
11,017,081.51x = 15,203,941.25 × 6,122,509.90 - Step 4: Simplify right side
11,017,081.51x = 93,086,280,753,520.97 - Step 5: Solve for x
x = 93,086,280,753,520.97/11,017,081.51 - Step 6: Final answer
x = 8,449,268.59
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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.