Finding the Fourth Proportional to 14,861,738.40, 22,292,607.60 and 13,539,040.80
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Solution
The fourth proportional to 14,861,738.40, 22,292,607.60 and 13,539,040.80 is: 20,308,561.20
Step by Step Solution
- Step 1: Write the proportion equation
14,861,738.40 : 22,292,607.60 = 13,539,040.80 : x - Step 2: Convert to fraction form
14,861,738.40/22,292,607.60 = 13,539,040.80/x - Step 3: Cross multiply
14,861,738.40x = 22,292,607.60 × 13,539,040.80 - Step 4: Simplify right side
14,861,738.40x = 301,820,523,834,790.12 - Step 5: Solve for x
x = 301,820,523,834,790.12/14,861,738.40 - Step 6: Final answer
x = 20,308,561.20
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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.