Finding the Fourth Proportional to 36,816,336.84, 50,808,274.74 and 20,518,929.48
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Solution
The fourth proportional to 36,816,336.84, 50,808,274.74 and 20,518,929.48 is: 28,317,086.81
Step by Step Solution
- Step 1: Write the proportion equation
36,816,336.84 : 50,808,274.74 = 20,518,929.48 : x - Step 2: Convert to fraction form
36,816,336.84/50,808,274.74 = 20,518,929.48/x - Step 3: Cross multiply
36,816,336.84x = 50,808,274.74 × 20,518,929.48 - Step 4: Simplify right side
36,816,336.84x = 1,042,531,406,390,525.38 - Step 5: Solve for x
x = 1,042,531,406,390,525.38/36,816,336.84 - Step 6: Final answer
x = 28,317,086.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.