Finding the Fourth Proportional to 7,450,328.70, 11,151,873.45 and 5,324,564.70
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Solution
The fourth proportional to 7,450,328.70, 11,151,873.45 and 5,324,564.70 is: 7,969,966.71
Step by Step Solution
- Step 1: Write the proportion equation
7,450,328.70 : 11,151,873.45 = 5,324,564.70 : x - Step 2: Convert to fraction form
7,450,328.70/11,151,873.45 = 5,324,564.70/x - Step 3: Cross multiply
7,450,328.70x = 11,151,873.45 × 5,324,564.70 - Step 4: Simplify right side
7,450,328.70x = 59,378,871,710,737.21 - Step 5: Solve for x
x = 59,378,871,710,737.21/7,450,328.70 - Step 6: Final answer
x = 7,969,966.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.