Finding the Fourth Proportional to 21,450,734.08, 32,169,263.36 and 7,071,121.92
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Solution
The fourth proportional to 21,450,734.08, 32,169,263.36 and 7,071,121.92 is: 10,604,428.85
Step by Step Solution
- Step 1: Write the proportion equation
21,450,734.08 : 32,169,263.36 = 7,071,121.92 : x - Step 2: Convert to fraction form
21,450,734.08/32,169,263.36 = 7,071,121.92/x - Step 3: Cross multiply
21,450,734.08x = 32,169,263.36 × 7,071,121.92 - Step 4: Simplify right side
21,450,734.08x = 227,472,783,295,148.84 - Step 5: Solve for x
x = 227,472,783,295,148.84/21,450,734.08 - Step 6: Final answer
x = 10,604,428.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.