Finding the Fourth Proportional to 9,720,821.80, 14,581,232.70 and 4,052,117.80
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Solution
The fourth proportional to 9,720,821.80, 14,581,232.70 and 4,052,117.80 is: 6,078,176.70
Step by Step Solution
- Step 1: Write the proportion equation
9,720,821.80 : 14,581,232.70 = 4,052,117.80 : x - Step 2: Convert to fraction form
9,720,821.80/14,581,232.70 = 4,052,117.80/x - Step 3: Cross multiply
9,720,821.80x = 14,581,232.70 × 4,052,117.80 - Step 4: Simplify right side
9,720,821.80x = 59,084,872,569,612.05 - Step 5: Solve for x
x = 59,084,872,569,612.05/9,720,821.80 - Step 6: Final answer
x = 6,078,176.70
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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.