Finding the Fourth Proportional to 12,809,668.84, 17,675,597.19 and 7,651,935.52
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Solution
The fourth proportional to 12,809,668.84, 17,675,597.19 and 7,651,935.52 is: 10,558,628.15
Step by Step Solution
- Step 1: Write the proportion equation
12,809,668.84 : 17,675,597.19 = 7,651,935.52 : x - Step 2: Convert to fraction form
12,809,668.84/17,675,597.19 = 7,651,935.52/x - Step 3: Cross multiply
12,809,668.84x = 17,675,597.19 × 7,651,935.52 - Step 4: Simplify right side
12,809,668.84x = 135,252,529,975,373.19 - Step 5: Solve for x
x = 135,252,529,975,373.19/12,809,668.84 - Step 6: Final answer
x = 10,558,628.15
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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.