Finding the Fourth Proportional to 28,913,391.49, 43,370,234.87 and 9,744,314.62
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Solution
The fourth proportional to 28,913,391.49, 43,370,234.87 and 9,744,314.62 is: 14,616,521.69
Step by Step Solution
- Step 1: Write the proportion equation
28,913,391.49 : 43,370,234.87 = 9,744,314.62 : x - Step 2: Convert to fraction form
28,913,391.49/43,370,234.87 = 9,744,314.62/x - Step 3: Cross multiply
28,913,391.49x = 43,370,234.87 × 9,744,314.62 - Step 4: Simplify right side
28,913,391.49x = 422,613,213,716,574.75 - Step 5: Solve for x
x = 422,613,213,716,574.75/28,913,391.49 - Step 6: Final answer
x = 14,616,521.69
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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.