Finding the Fourth Proportional to 21,450,743.24, 32,133,033.66 and 9,920,048.36
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Solution
The fourth proportional to 21,450,743.24, 32,133,033.66 and 9,920,048.36 is: 14,860,149.33
Step by Step Solution
- Step 1: Write the proportion equation
21,450,743.24 : 32,133,033.66 = 9,920,048.36 : x - Step 2: Convert to fraction form
21,450,743.24/32,133,033.66 = 9,920,048.36/x - Step 3: Cross multiply
21,450,743.24x = 32,133,033.66 × 9,920,048.36 - Step 4: Simplify right side
21,450,743.24x = 318,761,247,860,707.75 - Step 5: Solve for x
x = 318,761,247,860,707.75/21,450,743.24 - Step 6: Final answer
x = 14,860,149.33
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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.