Finding the Fourth Proportional to 28,947,935.84, 43,415,269.68 and 17,279,601.44
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Solution
The fourth proportional to 28,947,935.84, 43,415,269.68 and 17,279,601.44 is: 25,915,442.15
Step by Step Solution
- Step 1: Write the proportion equation
28,947,935.84 : 43,415,269.68 = 17,279,601.44 : x - Step 2: Convert to fraction form
28,947,935.84/43,415,269.68 = 17,279,601.44/x - Step 3: Cross multiply
28,947,935.84x = 43,415,269.68 × 17,279,601.44 - Step 4: Simplify right side
28,947,935.84x = 750,198,556,480,516.38 - Step 5: Solve for x
x = 750,198,556,480,516.38/28,947,935.84 - Step 6: Final answer
x = 25,915,442.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.