Finding the Fourth Proportional to 8,045,292.70, 12,081,935.85 and 4,266,156.70
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Solution
The fourth proportional to 8,045,292.70, 12,081,935.85 and 4,266,156.70 is: 6,406,657.10
Step by Step Solution
- Step 1: Write the proportion equation
8,045,292.70 : 12,081,935.85 = 4,266,156.70 : x - Step 2: Convert to fraction form
8,045,292.70/12,081,935.85 = 4,266,156.70/x - Step 3: Cross multiply
8,045,292.70x = 12,081,935.85 × 4,266,156.70 - Step 4: Simplify right side
8,045,292.70x = 51,543,431,575,447.70 - Step 5: Solve for x
x = 51,543,431,575,447.70/8,045,292.70 - Step 6: Final answer
x = 6,406,657.10
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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.