Finding the Fourth Proportional to 13,449,187.68, 20,171,615.98 and 3,862,385.68
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Solution
The fourth proportional to 13,449,187.68, 20,171,615.98 and 3,862,385.68 is: 5,792,956.61
Step by Step Solution
- Step 1: Write the proportion equation
13,449,187.68 : 20,171,615.98 = 3,862,385.68 : x - Step 2: Convert to fraction form
13,449,187.68/20,171,615.98 = 3,862,385.68/x - Step 3: Cross multiply
13,449,187.68x = 20,171,615.98 × 3,862,385.68 - Step 4: Simplify right side
13,449,187.68x = 77,910,560,703,611.17 - Step 5: Solve for x
x = 77,910,560,703,611.17/13,449,187.68 - Step 6: Final answer
x = 5,792,956.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.