Finding the Fourth Proportional to 7,126,998.24, 9,836,322.48 and 5,610,516.96
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Solution
The fourth proportional to 7,126,998.24, 9,836,322.48 and 5,610,516.96 is: 7,743,351.72
Step by Step Solution
- Step 1: Write the proportion equation
7,126,998.24 : 9,836,322.48 = 5,610,516.96 : x - Step 2: Convert to fraction form
7,126,998.24/9,836,322.48 = 5,610,516.96/x - Step 3: Cross multiply
7,126,998.24x = 9,836,322.48 × 5,610,516.96 - Step 4: Simplify right side
7,126,998.24x = 55,186,854,098,069.27 - Step 5: Solve for x
x = 55,186,854,098,069.27/7,126,998.24 - Step 6: Final answer
x = 7,743,351.72
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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.