Finding the Fourth Proportional to 8,311,604.05, 12,468,652.67 and 2,919,304.05
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Solution
The fourth proportional to 8,311,604.05, 12,468,652.67 and 2,919,304.05 is: 4,379,393.92
Step by Step Solution
- Step 1: Write the proportion equation
8,311,604.05 : 12,468,652.67 = 2,919,304.05 : x - Step 2: Convert to fraction form
8,311,604.05/12,468,652.67 = 2,919,304.05/x - Step 3: Cross multiply
8,311,604.05x = 12,468,652.67 × 2,919,304.05 - Step 4: Simplify right side
8,311,604.05x = 36,399,788,237,574.31 - Step 5: Solve for x
x = 36,399,788,237,574.31/8,311,604.05 - Step 6: Final answer
x = 4,379,393.92
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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.