Finding the Fourth Proportional to 10,719,185.61, 14,790,810.96 and 6,368,160.09
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Solution
The fourth proportional to 10,719,185.61, 14,790,810.96 and 6,368,160.09 is: 8,787,071.66
Step by Step Solution
- Step 1: Write the proportion equation
10,719,185.61 : 14,790,810.96 = 6,368,160.09 : x - Step 2: Convert to fraction form
10,719,185.61/14,790,810.96 = 6,368,160.09/x - Step 3: Cross multiply
10,719,185.61x = 14,790,810.96 × 6,368,160.09 - Step 4: Simplify right side
10,719,185.61x = 94,190,252,054,206.59 - Step 5: Solve for x
x = 94,190,252,054,206.59/10,719,185.61 - Step 6: Final answer
x = 8,787,071.66
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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.