Finding the Fourth Proportional to 27,699,409.10, 38,227,163.74 and 15,309,236.00
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Solution
The fourth proportional to 27,699,409.10, 38,227,163.74 and 15,309,236.00 is: 21,127,839.55
Step by Step Solution
- Step 1: Write the proportion equation
27,699,409.10 : 38,227,163.74 = 15,309,236.00 : x - Step 2: Convert to fraction form
27,699,409.10/38,227,163.74 = 15,309,236.00/x - Step 3: Cross multiply
27,699,409.10x = 38,227,163.74 × 15,309,236.00 - Step 4: Simplify right side
27,699,409.10x = 585,228,671,076,893.62 - Step 5: Solve for x
x = 585,228,671,076,893.62/27,699,409.10 - Step 6: Final answer
x = 21,127,839.55
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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.