Finding the Fourth Proportional to 11,178,399.70, 16,767,599.55 and 5,509,695.70
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Solution
The fourth proportional to 11,178,399.70, 16,767,599.55 and 5,509,695.70 is: 8,264,543.55
Step by Step Solution
- Step 1: Write the proportion equation
11,178,399.70 : 16,767,599.55 = 5,509,695.70 : x - Step 2: Convert to fraction form
11,178,399.70/16,767,599.55 = 5,509,695.70/x - Step 3: Cross multiply
11,178,399.70x = 16,767,599.55 × 5,509,695.70 - Step 4: Simplify right side
11,178,399.70x = 92,384,371,139,956.94 - Step 5: Solve for x
x = 92,384,371,139,956.94/11,178,399.70 - Step 6: Final answer
x = 8,264,543.55
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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.