Finding the Fourth Proportional to 16,616,927.97, 24,904,425.27 and 8,421,629.31
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Solution
The fourth proportional to 16,616,927.97, 24,904,425.27 and 8,421,629.31 is: 12,621,817.83
Step by Step Solution
- Step 1: Write the proportion equation
16,616,927.97 : 24,904,425.27 = 8,421,629.31 : x - Step 2: Convert to fraction form
16,616,927.97/24,904,425.27 = 8,421,629.31/x - Step 3: Cross multiply
16,616,927.97x = 24,904,425.27 × 8,421,629.31 - Step 4: Simplify right side
16,616,927.97x = 209,735,837,802,536.69 - Step 5: Solve for x
x = 209,735,837,802,536.69/16,616,927.97 - Step 6: Final answer
x = 12,621,817.83
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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.