Finding the Fourth Proportional to 16,369,916.80, 24,554,875.20 and 5,583,632.80
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Solution
The fourth proportional to 16,369,916.80, 24,554,875.20 and 5,583,632.80 is: 8,375,449.20
Step by Step Solution
- Step 1: Write the proportion equation
16,369,916.80 : 24,554,875.20 = 5,583,632.80 : x - Step 2: Convert to fraction form
16,369,916.80/24,554,875.20 = 5,583,632.80/x - Step 3: Cross multiply
16,369,916.80x = 24,554,875.20 × 5,583,632.80 - Step 4: Simplify right side
16,369,916.80x = 137,105,406,566,626.55 - Step 5: Solve for x
x = 137,105,406,566,626.55/16,369,916.80 - Step 6: Final answer
x = 8,375,449.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.