Finding the Fourth Proportional to 21,961,107.36, 32,946,063.84 and 7,584,702.24
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Solution
The fourth proportional to 21,961,107.36, 32,946,063.84 and 7,584,702.24 is: 11,378,573.95
Step by Step Solution
- Step 1: Write the proportion equation
21,961,107.36 : 32,946,063.84 = 7,584,702.24 : x - Step 2: Convert to fraction form
21,961,107.36/32,946,063.84 = 7,584,702.24/x - Step 3: Cross multiply
21,961,107.36x = 32,946,063.84 × 7,584,702.24 - Step 4: Simplify right side
21,961,107.36x = 249,886,084,206,431 - Step 5: Solve for x
x = 249,886,084,206,431/21,961,107.36 - Step 6: Final answer
x = 11,378,573.95
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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.