Finding the Fourth Proportional to 8,045,316.70, 12,081,971.85 and 4,266,180.70
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Solution
The fourth proportional to 8,045,316.70, 12,081,971.85 and 4,266,180.70 is: 6,406,693.12
Step by Step Solution
- Step 1: Write the proportion equation
8,045,316.70 : 12,081,971.85 = 4,266,180.70 : x - Step 2: Convert to fraction form
8,045,316.70/12,081,971.85 = 4,266,180.70/x - Step 3: Cross multiply
8,045,316.70x = 12,081,971.85 × 4,266,180.70 - Step 4: Simplify right side
8,045,316.70x = 51,543,875,124,413.30 - Step 5: Solve for x
x = 51,543,875,124,413.30/8,045,316.70 - Step 6: Final answer
x = 6,406,693.12
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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.