Finding the Fourth Proportional to 8,487,669.23, 11,690,671.18 and 6,523,791.75
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Solution
The fourth proportional to 8,487,669.23, 11,690,671.18 and 6,523,791.75 is: 8,985,682.89
Step by Step Solution
- Step 1: Write the proportion equation
8,487,669.23 : 11,690,671.18 = 6,523,791.75 : x - Step 2: Convert to fraction form
8,487,669.23/11,690,671.18 = 6,523,791.75/x - Step 3: Cross multiply
8,487,669.23x = 11,690,671.18 × 6,523,791.75 - Step 4: Simplify right side
8,487,669.23x = 76,267,504,196,046.77 - Step 5: Solve for x
x = 76,267,504,196,046.77/8,487,669.23 - Step 6: Final answer
x = 8,985,682.89
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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.