Finding the Fourth Proportional to 29,379,226.48, 40,500,601.84 and 20,531,207.70
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Solution
The fourth proportional to 29,379,226.48, 40,500,601.84 and 20,531,207.70 is: 28,303,204.95
Step by Step Solution
- Step 1: Write the proportion equation
29,379,226.48 : 40,500,601.84 = 20,531,207.70 : x - Step 2: Convert to fraction form
29,379,226.48/40,500,601.84 = 20,531,207.70/x - Step 3: Cross multiply
29,379,226.48x = 40,500,601.84 × 20,531,207.70 - Step 4: Simplify right side
29,379,226.48x = 831,526,268,352,042.25 - Step 5: Solve for x
x = 831,526,268,352,042.25/29,379,226.48 - Step 6: Final answer
x = 28,303,204.95
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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.