Finding the Fourth Proportional to 11,730,985.02, 16,185,719.84 and 7,081,094.97
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Solution
The fourth proportional to 11,730,985.02, 16,185,719.84 and 7,081,094.97 is: 9,770,076.35
Step by Step Solution
- Step 1: Write the proportion equation
11,730,985.02 : 16,185,719.84 = 7,081,094.97 : x - Step 2: Convert to fraction form
11,730,985.02/16,185,719.84 = 7,081,094.97/x - Step 3: Cross multiply
11,730,985.02x = 16,185,719.84 × 7,081,094.97 - Step 4: Simplify right side
11,730,985.02x = 114,612,619,309,447.73 - Step 5: Solve for x
x = 114,612,619,309,447.73/11,730,985.02 - Step 6: Final answer
x = 9,770,076.35
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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.