Finding the Fourth Proportional to 10,851,663.60, 14,975,236.65 and 5,956,968.99
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Solution
The fourth proportional to 10,851,663.60, 14,975,236.65 and 5,956,968.99 is: 8,220,584.75
Step by Step Solution
- Step 1: Write the proportion equation
10,851,663.60 : 14,975,236.65 = 5,956,968.99 : x - Step 2: Convert to fraction form
10,851,663.60/14,975,236.65 = 5,956,968.99/x - Step 3: Cross multiply
10,851,663.60x = 14,975,236.65 × 5,956,968.99 - Step 4: Simplify right side
10,851,663.60x = 89,207,020,341,961.48 - Step 5: Solve for x
x = 89,207,020,341,961.48/10,851,663.60 - Step 6: Final answer
x = 8,220,584.75
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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.