Finding the Fourth Proportional to 18,215,219.70, 27,354,322.35 and 9,712,163.70
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Solution
The fourth proportional to 18,215,219.70, 27,354,322.35 and 9,712,163.70 is: 14,585,037.18
Step by Step Solution
- Step 1: Write the proportion equation
18,215,219.70 : 27,354,322.35 = 9,712,163.70 : x - Step 2: Convert to fraction form
18,215,219.70/27,354,322.35 = 9,712,163.70/x - Step 3: Cross multiply
18,215,219.70x = 27,354,322.35 × 9,712,163.70 - Step 4: Simplify right side
18,215,219.70x = 265,669,656,565,768.69 - Step 5: Solve for x
x = 265,669,656,565,768.69/18,215,219.70 - Step 6: Final answer
x = 14,585,037.18
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1.5x scale
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.