Finding the Fourth Proportional to 8,470,191.08, 12,705,839.60 and 6,202,502.12
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Solution
The fourth proportional to 8,470,191.08, 12,705,839.60 and 6,202,502.12 is: 9,304,158.11
Step by Step Solution
- Step 1: Write the proportion equation
8,470,191.08 : 12,705,839.60 = 6,202,502.12 : x - Step 2: Convert to fraction form
8,470,191.08/12,705,839.60 = 6,202,502.12/x - Step 3: Cross multiply
8,470,191.08x = 12,705,839.60 × 6,202,502.12 - Step 4: Simplify right side
8,470,191.08x = 78,807,997,055,379.95 - Step 5: Solve for x
x = 78,807,997,055,379.95/8,470,191.08 - Step 6: Final answer
x = 9,304,158.11
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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.