Finding the Fourth Proportional to 11,158,140.22, 15,394,272.95 and 7,292,891.09
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Solution
The fourth proportional to 11,158,140.22, 15,394,272.95 and 7,292,891.09 is: 10,061,601.12
Step by Step Solution
- Step 1: Write the proportion equation
11,158,140.22 : 15,394,272.95 = 7,292,891.09 : x - Step 2: Convert to fraction form
11,158,140.22/15,394,272.95 = 7,292,891.09/x - Step 3: Cross multiply
11,158,140.22x = 15,394,272.95 × 7,292,891.09 - Step 4: Simplify right side
11,158,140.22x = 112,268,756,090,800.94 - Step 5: Solve for x
x = 112,268,756,090,800.94/11,158,140.22 - Step 6: Final answer
x = 10,061,601.12
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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.