Finding the Fourth Proportional to 9,361,431.40, 14,052,644.70 and 7,240,916.20
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Solution
The fourth proportional to 9,361,431.40, 14,052,644.70 and 7,240,916.20 is: 10,869,494.02
Step by Step Solution
- Step 1: Write the proportion equation
9,361,431.40 : 14,052,644.70 = 7,240,916.20 : x - Step 2: Convert to fraction form
9,361,431.40/14,052,644.70 = 7,240,916.20/x - Step 3: Cross multiply
9,361,431.40x = 14,052,644.70 × 7,240,916.20 - Step 4: Simplify right side
9,361,431.40x = 101,754,022,661,074.14 - Step 5: Solve for x
x = 101,754,022,661,074.14/9,361,431.40 - Step 6: Final answer
x = 10,869,494.02
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1.5x scale
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.