Finding the Fourth Proportional to 18,350,944.66, 27,509,218.95 and 6,211,913.68
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Solution
The fourth proportional to 18,350,944.66, 27,509,218.95 and 6,211,913.68 is: 9,312,048.87
Step by Step Solution
- Step 1: Write the proportion equation
18,350,944.66 : 27,509,218.95 = 6,211,913.68 : x - Step 2: Convert to fraction form
18,350,944.66/27,509,218.95 = 6,211,913.68/x - Step 3: Cross multiply
18,350,944.66x = 27,509,218.95 × 6,211,913.68 - Step 4: Simplify right side
18,350,944.66x = 170,884,893,514,421.62 - Step 5: Solve for x
x = 170,884,893,514,421.62/18,350,944.66 - Step 6: Final answer
x = 9,312,048.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.