Finding the Fourth Proportional to 37,855,035.12, 52,239,972.96 and 20,451,370.26
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Solution
The fourth proportional to 37,855,035.12, 52,239,972.96 and 20,451,370.26 is: 28,222,904.19
Step by Step Solution
- Step 1: Write the proportion equation
37,855,035.12 : 52,239,972.96 = 20,451,370.26 : x - Step 2: Convert to fraction form
37,855,035.12/52,239,972.96 = 20,451,370.26/x - Step 3: Cross multiply
37,855,035.12x = 52,239,972.96 × 20,451,370.26 - Step 4: Simplify right side
37,855,035.12x = 1,068,379,029,377,348.25 - Step 5: Solve for x
x = 1,068,379,029,377,348.25/37,855,035.12 - Step 6: Final answer
x = 28,222,904.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.