Finding the Fourth Proportional to 8,476,821.94, 12,699,232.40 and 5,008,211.79
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Solution
The fourth proportional to 8,476,821.94, 12,699,232.40 and 5,008,211.79 is: 7,502,864.38
Step by Step Solution
- Step 1: Write the proportion equation
8,476,821.94 : 12,699,232.40 = 5,008,211.79 : x - Step 2: Convert to fraction form
8,476,821.94/12,699,232.40 = 5,008,211.79/x - Step 3: Cross multiply
8,476,821.94x = 12,699,232.40 × 5,008,211.79 - Step 4: Simplify right side
8,476,821.94x = 63,600,445,429,630 - Step 5: Solve for x
x = 63,600,445,429,630/8,476,821.94 - Step 6: Final answer
x = 7,502,864.38
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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.