Finding the Fourth Proportional to 25,274,203.18, 34,867,322.10 and 14,814,916.99
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Solution
The fourth proportional to 25,274,203.18, 34,867,322.10 and 14,814,916.99 is: 20,438,091.71
Step by Step Solution
- Step 1: Write the proportion equation
25,274,203.18 : 34,867,322.10 = 14,814,916.99 : x - Step 2: Convert to fraction form
25,274,203.18/34,867,322.10 = 14,814,916.99/x - Step 3: Cross multiply
25,274,203.18x = 34,867,322.10 × 14,814,916.99 - Step 4: Simplify right side
25,274,203.18x = 516,556,482,575,092.50 - Step 5: Solve for x
x = 516,556,482,575,092.50/25,274,203.18 - Step 6: Final answer
x = 20,438,091.71
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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.