Finding the Fourth Proportional to 8,463,252.97, 11,681,149.08 and 5,562,913.87
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Solution
The fourth proportional to 8,463,252.97, 11,681,149.08 and 5,562,913.87 is: 7,678,043.71
Step by Step Solution
- Step 1: Write the proportion equation
8,463,252.97 : 11,681,149.08 = 5,562,913.87 : x - Step 2: Convert to fraction form
8,463,252.97/11,681,149.08 = 5,562,913.87/x - Step 3: Cross multiply
8,463,252.97x = 11,681,149.08 × 5,562,913.87 - Step 4: Simplify right side
8,463,252.97x = 64,981,226,234,669.74 - Step 5: Solve for x
x = 64,981,226,234,669.74/8,463,252.97 - Step 6: Final answer
x = 7,678,043.71
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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.