Finding the Fourth Proportional to 12,174,581.70, 18,257,564.79 and 3,536,884.98
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Solution
The fourth proportional to 12,174,581.70, 18,257,564.79 and 3,536,884.98 is: 5,304,076.01
Step by Step Solution
- Step 1: Write the proportion equation
12,174,581.70 : 18,257,564.79 = 3,536,884.98 : x - Step 2: Convert to fraction form
12,174,581.70/18,257,564.79 = 3,536,884.98/x - Step 3: Cross multiply
12,174,581.70x = 18,257,564.79 × 3,536,884.98 - Step 4: Simplify right side
12,174,581.70x = 64,574,906,677,127.85 - Step 5: Solve for x
x = 64,574,906,677,127.85/12,174,581.70 - Step 6: Final answer
x = 5,304,076.01
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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.