Finding the Fourth Proportional to 11,769,151.57, 16,248,675.14 and 9,331,608.85
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Solution
The fourth proportional to 11,769,151.57, 16,248,675.14 and 9,331,608.85 is: 12,883,365.45
Step by Step Solution
- Step 1: Write the proportion equation
11,769,151.57 : 16,248,675.14 = 9,331,608.85 : x - Step 2: Convert to fraction form
11,769,151.57/16,248,675.14 = 9,331,608.85/x - Step 3: Cross multiply
11,769,151.57x = 16,248,675.14 × 9,331,608.85 - Step 4: Simplify right side
11,769,151.57x = 151,626,280,737,199 - Step 5: Solve for x
x = 151,626,280,737,199/11,769,151.57 - Step 6: Final answer
x = 12,883,365.45
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1.5x scale
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.