Finding the Fourth Proportional to 8,119,652.63, 12,179,474.29 and 7,581,569.23
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Solution
The fourth proportional to 8,119,652.63, 12,179,474.29 and 7,581,569.23 is: 11,372,349.49
Step by Step Solution
- Step 1: Write the proportion equation
8,119,652.63 : 12,179,474.29 = 7,581,569.23 : x - Step 2: Convert to fraction form
8,119,652.63/12,179,474.29 = 7,581,569.23/x - Step 3: Cross multiply
8,119,652.63x = 12,179,474.29 × 7,581,569.23 - Step 4: Simplify right side
8,119,652.63x = 92,339,527,415,834.88 - Step 5: Solve for x
x = 92,339,527,415,834.88/8,119,652.63 - Step 6: Final answer
x = 11,372,349.49
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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.