Finding the Fourth Proportional to 21,133,312.26, 31,677,845.76 and 8,844,316.92
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Solution
The fourth proportional to 21,133,312.26, 31,677,845.76 and 8,844,316.92 is: 13,257,217.03
Step by Step Solution
- Step 1: Write the proportion equation
21,133,312.26 : 31,677,845.76 = 8,844,316.92 : x - Step 2: Convert to fraction form
21,133,312.26/31,677,845.76 = 8,844,316.92/x - Step 3: Cross multiply
21,133,312.26x = 31,677,845.76 × 8,844,316.92 - Step 4: Simplify right side
21,133,312.26x = 280,168,907,244,318.28 - Step 5: Solve for x
x = 280,168,907,244,318.28/21,133,312.26 - Step 6: Final answer
x = 13,257,217.03
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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.