Finding the Fourth Proportional to 8,675,516.03, 12,935,712.64 and 8,437,161.63
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Solution
The fourth proportional to 8,675,516.03, 12,935,712.64 and 8,437,161.63 is: 12,580,311.99
Step by Step Solution
- Step 1: Write the proportion equation
8,675,516.03 : 12,935,712.64 = 8,437,161.63 : x - Step 2: Convert to fraction form
8,675,516.03/12,935,712.64 = 8,437,161.63/x - Step 3: Cross multiply
8,675,516.03x = 12,935,712.64 × 8,437,161.63 - Step 4: Simplify right side
8,675,516.03x = 109,140,698,350,553.30 - Step 5: Solve for x
x = 109,140,698,350,553.30/8,675,516.03 - Step 6: Final answer
x = 12,580,311.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.