Finding the Fourth Proportional to 27,776,403.60, 41,652,163.80 and 12,622,534.80
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Solution
The fourth proportional to 27,776,403.60, 41,652,163.80 and 12,622,534.80 is: 18,928,148.32
Step by Step Solution
- Step 1: Write the proportion equation
27,776,403.60 : 41,652,163.80 = 12,622,534.80 : x - Step 2: Convert to fraction form
27,776,403.60/41,652,163.80 = 12,622,534.80/x - Step 3: Cross multiply
27,776,403.60x = 41,652,163.80 × 12,622,534.80 - Step 4: Simplify right side
27,776,403.60x = 525,755,887,060,800.25 - Step 5: Solve for x
x = 525,755,887,060,800.25/27,776,403.60 - Step 6: Final answer
x = 18,928,148.32
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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.