Finding the Fourth Proportional to 9,029,553.05, 12,460,745.73 and 5,361,489.11
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Solution
The fourth proportional to 9,029,553.05, 12,460,745.73 and 5,361,489.11 is: 7,398,832.72
Step by Step Solution
- Step 1: Write the proportion equation
9,029,553.05 : 12,460,745.73 = 5,361,489.11 : x - Step 2: Convert to fraction form
9,029,553.05/12,460,745.73 = 5,361,489.11/x - Step 3: Cross multiply
9,029,553.05x = 12,460,745.73 × 5,361,489.11 - Step 4: Simplify right side
9,029,553.05x = 66,808,152,533,874.01 - Step 5: Solve for x
x = 66,808,152,533,874.01/9,029,553.05 - Step 6: Final answer
x = 7,398,832.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.