Finding the Fourth Proportional to 8,624,691.82, 11,901,866.19 and 4,757,129.95
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Solution
The fourth proportional to 8,624,691.82, 11,901,866.19 and 4,757,129.95 is: 6,564,724.32
Step by Step Solution
- Step 1: Write the proportion equation
8,624,691.82 : 11,901,866.19 = 4,757,129.95 : x - Step 2: Convert to fraction form
8,624,691.82/11,901,866.19 = 4,757,129.95/x - Step 3: Cross multiply
8,624,691.82x = 11,901,866.19 × 4,757,129.95 - Step 4: Simplify right side
8,624,691.82x = 56,618,724,113,341.39 - Step 5: Solve for x
x = 56,618,724,113,341.39/8,624,691.82 - Step 6: Final answer
x = 6,564,724.32
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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.