Finding the Fourth Proportional to 8,317,278.05, 11,473,053.74 and 5,007,269.95
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Solution
The fourth proportional to 8,317,278.05, 11,473,053.74 and 5,007,269.95 is: 6,907,148.81
Step by Step Solution
- Step 1: Write the proportion equation
8,317,278.05 : 11,473,053.74 = 5,007,269.95 : x - Step 2: Convert to fraction form
8,317,278.05/11,473,053.74 = 5,007,269.95/x - Step 3: Cross multiply
8,317,278.05x = 11,473,053.74 × 5,007,269.95 - Step 4: Simplify right side
8,317,278.05x = 57,448,677,144,635.49 - Step 5: Solve for x
x = 57,448,677,144,635.49/8,317,278.05 - Step 6: Final answer
x = 6,907,148.81
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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.