Finding the Fourth Proportional to 38,212,635, 52,733,439.63 and 20,808,975
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Solution
The fourth proportional to 38,212,635, 52,733,439.63 and 20,808,975 is: 28,716,387.31
Step by Step Solution
- Step 1: Write the proportion equation
38,212,635 : 52,733,439.63 = 20,808,975 : x - Step 2: Convert to fraction form
38,212,635/52,733,439.63 = 20,808,975/x - Step 3: Cross multiply
38,212,635x = 52,733,439.63 × 20,808,975 - Step 4: Simplify right side
38,212,635x = 1,097,328,826,924,679.25 - Step 5: Solve for x
x = 1,097,328,826,924,679.25/38,212,635 - Step 6: Final answer
x = 28,716,387.31
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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.