Finding the Fourth Proportional to 7,916,428.14, 10,917,919.70 and 6,085,322.70
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Solution
The fourth proportional to 7,916,428.14, 10,917,919.70 and 6,085,322.70 is: 8,392,555.76
Step by Step Solution
- Step 1: Write the proportion equation
7,916,428.14 : 10,917,919.70 = 6,085,322.70 : x - Step 2: Convert to fraction form
7,916,428.14/10,917,919.70 = 6,085,322.70/x - Step 3: Cross multiply
7,916,428.14x = 10,917,919.70 × 6,085,322.70 - Step 4: Simplify right side
7,916,428.14x = 66,439,064,587,187.19 - Step 5: Solve for x
x = 66,439,064,587,187.19/7,916,428.14 - Step 6: Final answer
x = 8,392,555.76
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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.