Finding the Fourth Proportional to 17,478,634.96, 24,121,952.04 and 9,639,680.32
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Solution
The fourth proportional to 17,478,634.96, 24,121,952.04 and 9,639,680.32 is: 13,303,550.70
Step by Step Solution
- Step 1: Write the proportion equation
17,478,634.96 : 24,121,952.04 = 9,639,680.32 : x - Step 2: Convert to fraction form
17,478,634.96/24,121,952.04 = 9,639,680.32/x - Step 3: Cross multiply
17,478,634.96x = 24,121,952.04 × 9,639,680.32 - Step 4: Simplify right side
17,478,634.96x = 232,527,906,359,971.84 - Step 5: Solve for x
x = 232,527,906,359,971.84/17,478,634.96 - Step 6: Final answer
x = 13,303,550.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.