Finding the Fourth Proportional to 8,816,743.05, 12,167,509.17 and 4,896,517.05
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Solution
The fourth proportional to 8,816,743.05, 12,167,509.17 and 4,896,517.05 is: 6,757,417.76
Step by Step Solution
- Step 1: Write the proportion equation
8,816,743.05 : 12,167,509.17 = 4,896,517.05 : x - Step 2: Convert to fraction form
8,816,743.05/12,167,509.17 = 4,896,517.05/x - Step 3: Cross multiply
8,816,743.05x = 12,167,509.17 × 4,896,517.05 - Step 4: Simplify right side
8,816,743.05x = 59,578,416,106,936.34 - Step 5: Solve for x
x = 59,578,416,106,936.34/8,816,743.05 - Step 6: Final answer
x = 6,757,417.76
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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.