Finding the Fourth Proportional to 8,342,135.10, 12,502,705.05 and 7,397,351.10
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Solution
The fourth proportional to 8,342,135.10, 12,502,705.05 and 7,397,351.10 is: 11,086,717.95
Step by Step Solution
- Step 1: Write the proportion equation
8,342,135.10 : 12,502,705.05 = 7,397,351.10 : x - Step 2: Convert to fraction form
8,342,135.10/12,502,705.05 = 7,397,351.10/x - Step 3: Cross multiply
8,342,135.10x = 12,502,705.05 × 7,397,351.10 - Step 4: Simplify right side
8,342,135.10x = 92,486,898,954,593.06 - Step 5: Solve for x
x = 92,486,898,954,593.06/8,342,135.10 - Step 6: Final answer
x = 11,086,717.95
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1.5x scale
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.