Finding the Fourth Proportional to 11,085,367.09, 15,298,271.42 and 6,375,763.97
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Solution
The fourth proportional to 11,085,367.09, 15,298,271.42 and 6,375,763.97 is: 8,798,821.62
Step by Step Solution
- Step 1: Write the proportion equation
11,085,367.09 : 15,298,271.42 = 6,375,763.97 : x - Step 2: Convert to fraction form
11,085,367.09/15,298,271.42 = 6,375,763.97/x - Step 3: Cross multiply
11,085,367.09x = 15,298,271.42 × 6,375,763.97 - Step 4: Simplify right side
11,085,367.09x = 97,538,167,646,425.38 - Step 5: Solve for x
x = 97,538,167,646,425.38/11,085,367.09 - Step 6: Final answer
x = 8,798,821.62
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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.