Finding the Fourth Proportional to 11,012,100.60, 15,197,129.75 and 7,534,732.79
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Solution
The fourth proportional to 11,012,100.60, 15,197,129.75 and 7,534,732.79 is: 10,398,226.09
Step by Step Solution
- Step 1: Write the proportion equation
11,012,100.60 : 15,197,129.75 = 7,534,732.79 : x - Step 2: Convert to fraction form
11,012,100.60/15,197,129.75 = 7,534,732.79/x - Step 3: Cross multiply
11,012,100.60x = 15,197,129.75 × 7,534,732.79 - Step 4: Simplify right side
11,012,100.60x = 114,506,311,727,550.19 - Step 5: Solve for x
x = 114,506,311,727,550.19/11,012,100.60 - Step 6: Final answer
x = 10,398,226.09
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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.