Finding the Fourth Proportional to 12,102,328.68, 18,157,048.38 and 3,582,886.92
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Solution
The fourth proportional to 12,102,328.68, 18,157,048.38 and 3,582,886.92 is: 5,375,382.94
Step by Step Solution
- Step 1: Write the proportion equation
12,102,328.68 : 18,157,048.38 = 3,582,886.92 : x - Step 2: Convert to fraction form
12,102,328.68/18,157,048.38 = 3,582,886.92/x - Step 3: Cross multiply
12,102,328.68x = 18,157,048.38 × 3,582,886.92 - Step 4: Simplify right side
12,102,328.68x = 65,054,651,146,509.19 - Step 5: Solve for x
x = 65,054,651,146,509.19/12,102,328.68 - Step 6: Final answer
x = 5,375,382.94
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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.