Finding the Fourth Proportional to 9,741,700.80, 14,640,544.80 and 8,509,982.40
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Solution
The fourth proportional to 9,741,700.80, 14,640,544.80 and 8,509,982.40 is: 12,789,427.75
Step by Step Solution
- Step 1: Write the proportion equation
9,741,700.80 : 14,640,544.80 = 8,509,982.40 : x - Step 2: Convert to fraction form
9,741,700.80/14,640,544.80 = 8,509,982.40/x - Step 3: Cross multiply
9,741,700.80x = 14,640,544.80 × 8,509,982.40 - Step 4: Simplify right side
9,741,700.80x = 124,590,778,574,411.53 - Step 5: Solve for x
x = 124,590,778,574,411.53/9,741,700.80 - Step 6: Final answer
x = 12,789,427.75
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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.