Finding the Fourth Proportional to 8,703,550.36, 12,005,895.54 and 5,434,689.88
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Solution
The fourth proportional to 8,703,550.36, 12,005,895.54 and 5,434,689.88 is: 7,496,747.45
Step by Step Solution
- Step 1: Write the proportion equation
8,703,550.36 : 12,005,895.54 = 5,434,689.88 : x - Step 2: Convert to fraction form
8,703,550.36/12,005,895.54 = 5,434,689.88/x - Step 3: Cross multiply
8,703,550.36x = 12,005,895.54 × 5,434,689.88 - Step 4: Simplify right side
8,703,550.36x = 65,248,318,991,575.13 - Step 5: Solve for x
x = 65,248,318,991,575.13/8,703,550.36 - Step 6: Final answer
x = 7,496,747.45
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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.