Finding the Fourth Proportional to 12,174,552.05, 18,257,520.42 and 3,536,855.42
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Solution
The fourth proportional to 12,174,552.05, 18,257,520.42 and 3,536,855.42 is: 5,304,031.70
Step by Step Solution
- Step 1: Write the proportion equation
12,174,552.05 : 18,257,520.42 = 3,536,855.42 : x - Step 2: Convert to fraction form
12,174,552.05/18,257,520.42 = 3,536,855.42/x - Step 3: Cross multiply
12,174,552.05x = 18,257,520.42 × 3,536,855.42 - Step 4: Simplify right side
12,174,552.05x = 64,574,209,961,950.08 - Step 5: Solve for x
x = 64,574,209,961,950.08/12,174,552.05 - Step 6: Final answer
x = 5,304,031.70
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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.