Finding the Fourth Proportional to 38,318,220, 52,879,143.60 and 26,116,392.96
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Solution
The fourth proportional to 38,318,220, 52,879,143.60 and 26,116,392.96 is: 36,040,622.28
Step by Step Solution
- Step 1: Write the proportion equation
38,318,220 : 52,879,143.60 = 26,116,392.96 : x - Step 2: Convert to fraction form
38,318,220/52,879,143.60 = 26,116,392.96/x - Step 3: Cross multiply
38,318,220x = 52,879,143.60 × 26,116,392.96 - Step 4: Simplify right side
38,318,220x = 1,381,012,493,645,869.25 - Step 5: Solve for x
x = 1,381,012,493,645,869.25/38,318,220 - Step 6: Final answer
x = 36,040,622.28
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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.