Finding the Fourth Proportional to 15,290,855.40, 22,936,283.10 and 14,702,989.80
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Solution
The fourth proportional to 15,290,855.40, 22,936,283.10 and 14,702,989.80 is: 22,054,484.70
Step by Step Solution
- Step 1: Write the proportion equation
15,290,855.40 : 22,936,283.10 = 14,702,989.80 : x - Step 2: Convert to fraction form
15,290,855.40/22,936,283.10 = 14,702,989.80/x - Step 3: Cross multiply
15,290,855.40x = 22,936,283.10 × 14,702,989.80 - Step 4: Simplify right side
15,290,855.40x = 337,231,936,469,212.44 - Step 5: Solve for x
x = 337,231,936,469,212.44/15,290,855.40 - Step 6: Final answer
x = 22,054,484.70
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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.