Finding the Fourth Proportional to 10,126,606.05, 13,974,602.58 and 5,542,872.75
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Solution
The fourth proportional to 10,126,606.05, 13,974,602.58 and 5,542,872.75 is: 7,649,102.12
Step by Step Solution
- Step 1: Write the proportion equation
10,126,606.05 : 13,974,602.58 = 5,542,872.75 : x - Step 2: Convert to fraction form
10,126,606.05/13,974,602.58 = 5,542,872.75/x - Step 3: Cross multiply
10,126,606.05x = 13,974,602.58 × 5,542,872.75 - Step 4: Simplify right side
10,126,606.05x = 77,459,443,832,761.70 - Step 5: Solve for x
x = 77,459,443,832,761.70/10,126,606.05 - Step 6: Final answer
x = 7,649,102.12
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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.