Finding the Fourth Proportional to 12,260,226.24, 18,394,540.56 and 4,689,357.12
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Solution
The fourth proportional to 12,260,226.24, 18,394,540.56 and 4,689,357.12 is: 7,035,642.58
Step by Step Solution
- Step 1: Write the proportion equation
12,260,226.24 : 18,394,540.56 = 4,689,357.12 : x - Step 2: Convert to fraction form
12,260,226.24/18,394,540.56 = 4,689,357.12/x - Step 3: Cross multiply
12,260,226.24x = 18,394,540.56 × 4,689,357.12 - Step 4: Simplify right side
12,260,226.24x = 86,258,569,744,164.78 - Step 5: Solve for x
x = 86,258,569,744,164.78/12,260,226.24 - Step 6: Final answer
x = 7,035,642.58
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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.