Finding the Fourth Proportional to 18,559,877.40, 27,839,816.10 and 16,607,323.80
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Solution
The fourth proportional to 18,559,877.40, 27,839,816.10 and 16,607,323.80 is: 24,910,985.70
Step by Step Solution
- Step 1: Write the proportion equation
18,559,877.40 : 27,839,816.10 = 16,607,323.80 : x - Step 2: Convert to fraction form
18,559,877.40/27,839,816.10 = 16,607,323.80/x - Step 3: Cross multiply
18,559,877.40x = 27,839,816.10 × 16,607,323.80 - Step 4: Simplify right side
18,559,877.40x = 462,344,840,505,153.25 - Step 5: Solve for x
x = 462,344,840,505,153.25/18,559,877.40 - Step 6: Final answer
x = 24,910,985.70
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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.