Finding the Fourth Proportional to 18,470,330.12, 27,711,475.41 and 8,884,461.26
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Solution
The fourth proportional to 18,470,330.12, 27,711,475.41 and 8,884,461.26 is: 13,329,568.46
Step by Step Solution
- Step 1: Write the proportion equation
18,470,330.12 : 27,711,475.41 = 8,884,461.26 : x - Step 2: Convert to fraction form
18,470,330.12/27,711,475.41 = 8,884,461.26/x - Step 3: Cross multiply
18,470,330.12x = 27,711,475.41 × 8,884,461.26 - Step 4: Simplify right side
18,470,330.12x = 246,201,529,737,587.62 - Step 5: Solve for x
x = 246,201,529,737,587.62/18,470,330.12 - Step 6: Final answer
x = 13,329,568.46
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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.