Finding the Fourth Proportional to 16,360,691.24, 22,618,568.58 and 12,279,224.36
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Solution
The fourth proportional to 16,360,691.24, 22,618,568.58 and 12,279,224.36 is: 16,975,962.34
Step by Step Solution
- Step 1: Write the proportion equation
16,360,691.24 : 22,618,568.58 = 12,279,224.36 : x - Step 2: Convert to fraction form
16,360,691.24/22,618,568.58 = 12,279,224.36/x - Step 3: Cross multiply
16,360,691.24x = 22,618,568.58 × 12,279,224.36 - Step 4: Simplify right side
16,360,691.24x = 277,738,478,295,866.56 - Step 5: Solve for x
x = 277,738,478,295,866.56/16,360,691.24 - Step 6: Final answer
x = 16,975,962.34
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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.