Finding the Fourth Proportional to 28,913,390.99, 43,370,234.12 and 9,744,314.12
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Solution
The fourth proportional to 28,913,390.99, 43,370,234.12 and 9,744,314.12 is: 14,616,520.94
Step by Step Solution
- Step 1: Write the proportion equation
28,913,390.99 : 43,370,234.12 = 9,744,314.12 : x - Step 2: Convert to fraction form
28,913,390.99/43,370,234.12 = 9,744,314.12/x - Step 3: Cross multiply
28,913,390.99x = 43,370,234.12 × 9,744,314.12 - Step 4: Simplify right side
28,913,390.99x = 422,613,184,723,221.69 - Step 5: Solve for x
x = 422,613,184,723,221.69/28,913,390.99 - Step 6: Final answer
x = 14,616,520.94
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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.