Finding the Fourth Proportional to 11,717,986.50, 16,168,206.06 and 7,072,525.08
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Solution
The fourth proportional to 11,717,986.50, 16,168,206.06 and 7,072,525.08 is: 9,758,506.11
Step by Step Solution
- Step 1: Write the proportion equation
11,717,986.50 : 16,168,206.06 = 7,072,525.08 : x - Step 2: Convert to fraction form
11,717,986.50/16,168,206.06 = 7,072,525.08/x - Step 3: Cross multiply
11,717,986.50x = 16,168,206.06 × 7,072,525.08 - Step 4: Simplify right side
11,717,986.50x = 114,350,042,857,957.98 - Step 5: Solve for x
x = 114,350,042,857,957.98/11,717,986.50 - Step 6: Final answer
x = 9,758,506.11
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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.