Finding the Fourth Proportional to 38,539,618.52, 57,786,341.94 and 12,267,106.92
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Solution
The fourth proportional to 38,539,618.52, 57,786,341.94 and 12,267,106.92 is: 18,393,312.19
Step by Step Solution
- Step 1: Write the proportion equation
38,539,618.52 : 57,786,341.94 = 12,267,106.92 : x - Step 2: Convert to fraction form
38,539,618.52/57,786,341.94 = 12,267,106.92/x - Step 3: Cross multiply
38,539,618.52x = 57,786,341.94 × 12,267,106.92 - Step 4: Simplify right side
38,539,618.52x = 708,871,235,093,660.25 - Step 5: Solve for x
x = 708,871,235,093,660.25/38,539,618.52 - Step 6: Final answer
x = 18,393,312.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.