Finding the Fourth Proportional to 10,516,243.74, 14,512,334.13 and 5,687,347.74
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Solution
The fourth proportional to 10,516,243.74, 14,512,334.13 and 5,687,347.74 is: 7,848,495.41
Step by Step Solution
- Step 1: Write the proportion equation
10,516,243.74 : 14,512,334.13 = 5,687,347.74 : x - Step 2: Convert to fraction form
10,516,243.74/14,512,334.13 = 5,687,347.74/x - Step 3: Cross multiply
10,516,243.74x = 14,512,334.13 × 5,687,347.74 - Step 4: Simplify right side
10,516,243.74x = 82,536,690,716,380.38 - Step 5: Solve for x
x = 82,536,690,716,380.38/10,516,243.74 - Step 6: Final answer
x = 7,848,495.41
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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.