Finding the Fourth Proportional to 13,276,788.38, 19,910,137.84 and 6,353,160.46
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Solution
The fourth proportional to 13,276,788.38, 19,910,137.84 and 6,353,160.46 is: 9,527,326.70
Step by Step Solution
- Step 1: Write the proportion equation
13,276,788.38 : 19,910,137.84 = 6,353,160.46 : x - Step 2: Convert to fraction form
13,276,788.38/19,910,137.84 = 6,353,160.46/x - Step 3: Cross multiply
13,276,788.38x = 19,910,137.84 × 6,353,160.46 - Step 4: Simplify right side
13,276,788.38x = 126,492,300,524,574.08 - Step 5: Solve for x
x = 126,492,300,524,574.08/13,276,788.38 - Step 6: Final answer
x = 9,527,326.70
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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.