Finding the Fourth Proportional to 11,268,850.76, 15,550,861.45 and 6,307,290.63
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Solution
The fourth proportional to 11,268,850.76, 15,550,861.45 and 6,307,290.63 is: 8,703,975.66
Step by Step Solution
- Step 1: Write the proportion equation
11,268,850.76 : 15,550,861.45 = 6,307,290.63 : x - Step 2: Convert to fraction form
11,268,850.76/15,550,861.45 = 6,307,290.63/x - Step 3: Cross multiply
11,268,850.76x = 15,550,861.45 × 6,307,290.63 - Step 4: Simplify right side
11,268,850.76x = 98,083,802,712,013.20 - Step 5: Solve for x
x = 98,083,802,712,013.20/11,268,850.76 - Step 6: Final answer
x = 8,703,975.66
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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.