Finding the Fourth Proportional to 9,416,770.74, 12,999,092.49 and 6,365,118.42
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Solution
The fourth proportional to 9,416,770.74, 12,999,092.49 and 6,365,118.42 is: 8,786,532.60
Step by Step Solution
- Step 1: Write the proportion equation
9,416,770.74 : 12,999,092.49 = 6,365,118.42 : x - Step 2: Convert to fraction form
9,416,770.74/12,999,092.49 = 6,365,118.42/x - Step 3: Cross multiply
9,416,770.74x = 12,999,092.49 × 6,365,118.42 - Step 4: Simplify right side
9,416,770.74x = 82,740,763,051,382.67 - Step 5: Solve for x
x = 82,740,763,051,382.67/9,416,770.74 - Step 6: Final answer
x = 8,786,532.60
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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.