Finding the Fourth Proportional to 7,702,472.57, 11,535,370.51 and 4,457,168.94
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Solution
The fourth proportional to 7,702,472.57, 11,535,370.51 and 4,457,168.94 is: 6,675,141.61
Step by Step Solution
- Step 1: Write the proportion equation
7,702,472.57 : 11,535,370.51 = 4,457,168.94 : x - Step 2: Convert to fraction form
7,702,472.57/11,535,370.51 = 4,457,168.94/x - Step 3: Cross multiply
7,702,472.57x = 11,535,370.51 × 4,457,168.94 - Step 4: Simplify right side
7,702,472.57x = 51,415,095,137,421.05 - Step 5: Solve for x
x = 51,415,095,137,421.05/7,702,472.57 - Step 6: Final answer
x = 6,675,141.61
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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.