Finding the Fourth Proportional to 11,963,732.79, 16,509,867.26 and 6,531,224.79
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Solution
The fourth proportional to 11,963,732.79, 16,509,867.26 and 6,531,224.79 is: 9,013,044.36
Step by Step Solution
- Step 1: Write the proportion equation
11,963,732.79 : 16,509,867.26 = 6,531,224.79 : x - Step 2: Convert to fraction form
11,963,732.79/16,509,867.26 = 6,531,224.79/x - Step 3: Cross multiply
11,963,732.79x = 16,509,867.26 × 6,531,224.79 - Step 4: Simplify right side
11,963,732.79x = 107,829,654,328,121.38 - Step 5: Solve for x
x = 107,829,654,328,121.38/11,963,732.79 - Step 6: Final answer
x = 9,013,044.36
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1.5x scale
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.