Finding the Fourth Proportional to 8,271,547.20, 12,399,674.28 and 4,436,035.68
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Solution
The fourth proportional to 8,271,547.20, 12,399,674.28 and 4,436,035.68 is: 6,649,952.69
Step by Step Solution
- Step 1: Write the proportion equation
8,271,547.20 : 12,399,674.28 = 4,436,035.68 : x - Step 2: Convert to fraction form
8,271,547.20/12,399,674.28 = 4,436,035.68/x - Step 3: Cross multiply
8,271,547.20x = 12,399,674.28 × 4,436,035.68 - Step 4: Simplify right side
8,271,547.20x = 55,005,397,526,458.30 - Step 5: Solve for x
x = 55,005,397,526,458.30/8,271,547.20 - Step 6: Final answer
x = 6,649,952.69
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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.