Finding the Fourth Proportional to 6,940,946.05, 9,588,482.62 and 5,543,673.10
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Solution
The fourth proportional to 6,940,946.05, 9,588,482.62 and 5,543,673.10 is: 7,658,237.47
Step by Step Solution
- Step 1: Write the proportion equation
6,940,946.05 : 9,588,482.62 = 5,543,673.10 : x - Step 2: Convert to fraction form
6,940,946.05/9,588,482.62 = 5,543,673.10/x - Step 3: Cross multiply
6,940,946.05x = 9,588,482.62 × 5,543,673.10 - Step 4: Simplify right side
6,940,946.05x = 53,155,413,132,481.13 - Step 5: Solve for x
x = 53,155,413,132,481.13/6,940,946.05 - Step 6: Final answer
x = 7,658,237.47
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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.