Finding the Fourth Proportional to 25,364,119.74, 38,038,187.13 and 8,320,821.18
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Solution
The fourth proportional to 25,364,119.74, 38,038,187.13 and 8,320,821.18 is: 12,478,609.80
Step by Step Solution
- Step 1: Write the proportion equation
25,364,119.74 : 38,038,187.13 = 8,320,821.18 : x - Step 2: Convert to fraction form
25,364,119.74/38,038,187.13 = 8,320,821.18/x - Step 3: Cross multiply
25,364,119.74x = 38,038,187.13 × 8,320,821.18 - Step 4: Simplify right side
25,364,119.74x = 316,508,953,120,107.44 - Step 5: Solve for x
x = 316,508,953,120,107.44/25,364,119.74 - Step 6: Final answer
x = 12,478,609.80
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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.