Finding the Fourth Proportional to 46,579,671.57, 69,870,231.51 and 13,793,556.99
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Solution
The fourth proportional to 46,579,671.57, 69,870,231.51 and 13,793,556.99 is: 20,690,549.93
Step by Step Solution
- Step 1: Write the proportion equation
46,579,671.57 : 69,870,231.51 = 13,793,556.99 : x - Step 2: Convert to fraction form
46,579,671.57/69,870,231.51 = 13,793,556.99/x - Step 3: Cross multiply
46,579,671.57x = 69,870,231.51 × 13,793,556.99 - Step 4: Simplify right side
46,579,671.57x = 963,759,020,237,678.88 - Step 5: Solve for x
x = 963,759,020,237,678.88/46,579,671.57 - Step 6: Final answer
x = 20,690,549.93
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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.