Finding the Fourth Proportional to 31,043,260.26, 42,841,023.12 and 17,292,230.46
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Solution
The fourth proportional to 31,043,260.26, 42,841,023.12 and 17,292,230.46 is: 23,864,015.53
Step by Step Solution
- Step 1: Write the proportion equation
31,043,260.26 : 42,841,023.12 = 17,292,230.46 : x - Step 2: Convert to fraction form
31,043,260.26/42,841,023.12 = 17,292,230.46/x - Step 3: Cross multiply
31,043,260.26x = 42,841,023.12 × 17,292,230.46 - Step 4: Simplify right side
31,043,260.26x = 740,816,844,933,228.25 - Step 5: Solve for x
x = 740,816,844,933,228.25/31,043,260.26 - Step 6: Final answer
x = 23,864,015.53
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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.