Finding the Fourth Proportional to 21,588,797.80, 29,792,490.36 and 12,296,366.08
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Solution
The fourth proportional to 21,588,797.80, 29,792,490.36 and 12,296,366.08 is: 16,968,956.37
Step by Step Solution
- Step 1: Write the proportion equation
21,588,797.80 : 29,792,490.36 = 12,296,366.08 : x - Step 2: Convert to fraction form
21,588,797.80/29,792,490.36 = 12,296,366.08/x - Step 3: Cross multiply
21,588,797.80x = 29,792,490.36 × 12,296,366.08 - Step 4: Simplify right side
21,588,797.80x = 366,339,367,901,431 - Step 5: Solve for x
x = 366,339,367,901,431/21,588,797.80 - Step 6: Final answer
x = 16,968,956.37
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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.