Finding the Fourth Proportional to 14,602,135.40, 21,861,212.70 and 8,933,431.40
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Solution
The fourth proportional to 14,602,135.40, 21,861,212.70 and 8,933,431.40 is: 13,374,457.82
Step by Step Solution
- Step 1: Write the proportion equation
14,602,135.40 : 21,861,212.70 = 8,933,431.40 : x - Step 2: Convert to fraction form
14,602,135.40/21,861,212.70 = 8,933,431.40/x - Step 3: Cross multiply
14,602,135.40x = 21,861,212.70 × 8,933,431.40 - Step 4: Simplify right side
14,602,135.40x = 195,295,643,976,258.78 - Step 5: Solve for x
x = 195,295,643,976,258.78/14,602,135.40 - Step 6: Final answer
x = 13,374,457.82
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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.