Finding the Fourth Proportional to 12,033,731.74, 16,605,562.71 and 6,601,223.74
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Solution
The fourth proportional to 12,033,731.74, 16,605,562.71 and 6,601,223.74 is: 9,109,147.28
Step by Step Solution
- Step 1: Write the proportion equation
12,033,731.74 : 16,605,562.71 = 6,601,223.74 : x - Step 2: Convert to fraction form
12,033,731.74/16,605,562.71 = 6,601,223.74/x - Step 3: Cross multiply
12,033,731.74x = 16,605,562.71 × 6,601,223.74 - Step 4: Simplify right side
12,033,731.74x = 109,617,034,777,310.75 - Step 5: Solve for x
x = 109,617,034,777,310.75/12,033,731.74 - Step 6: Final answer
x = 9,109,147.28
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1.5x scale
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.