Finding the Fourth Proportional to 14,269,057.40, 21,374,555.70 and 8,861,108.60
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Solution
The fourth proportional to 14,269,057.40, 21,374,555.70 and 8,861,108.60 is: 13,273,634.97
Step by Step Solution
- Step 1: Write the proportion equation
14,269,057.40 : 21,374,555.70 = 8,861,108.60 : x - Step 2: Convert to fraction form
14,269,057.40/21,374,555.70 = 8,861,108.60/x - Step 3: Cross multiply
14,269,057.40x = 21,374,555.70 × 8,861,108.60 - Step 4: Simplify right side
14,269,057.40x = 189,402,259,334,449 - Step 5: Solve for x
x = 189,402,259,334,449/14,269,057.40 - Step 6: Final answer
x = 13,273,634.97
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1.5x scale
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.