Finding the Fourth Proportional to 8,799,286.12, 12,124,808.58 and 7,073,480.68
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Solution
The fourth proportional to 8,799,286.12, 12,124,808.58 and 7,073,480.68 is: 9,746,767.87
Step by Step Solution
- Step 1: Write the proportion equation
8,799,286.12 : 12,124,808.58 = 7,073,480.68 : x - Step 2: Convert to fraction form
8,799,286.12/12,124,808.58 = 7,073,480.68/x - Step 3: Cross multiply
8,799,286.12x = 12,124,808.58 × 7,073,480.68 - Step 4: Simplify right side
8,799,286.12x = 85,764,599,239,328.23 - Step 5: Solve for x
x = 85,764,599,239,328.23/8,799,286.12 - Step 6: Final answer
x = 9,746,767.87
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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.