Finding the Fourth Proportional to 11,646,480.86, 16,072,207.35 and 6,754,602.50
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Solution
The fourth proportional to 11,646,480.86, 16,072,207.35 and 6,754,602.50 is: 9,321,388.43
Step by Step Solution
- Step 1: Write the proportion equation
11,646,480.86 : 16,072,207.35 = 6,754,602.50 : x - Step 2: Convert to fraction form
11,646,480.86/16,072,207.35 = 6,754,602.50/x - Step 3: Cross multiply
11,646,480.86x = 16,072,207.35 × 6,754,602.50 - Step 4: Simplify right side
11,646,480.86x = 108,561,371,946,828.38 - Step 5: Solve for x
x = 108,561,371,946,828.38/11,646,480.86 - Step 6: Final answer
x = 9,321,388.43
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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.