Finding the Fourth Proportional to 8,605,175.53, 11,875,213.60 and 4,684,958.44
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Solution
The fourth proportional to 8,605,175.53, 11,875,213.60 and 4,684,958.44 is: 6,465,281.50
Step by Step Solution
- Step 1: Write the proportion equation
8,605,175.53 : 11,875,213.60 = 4,684,958.44 : x - Step 2: Convert to fraction form
8,605,175.53/11,875,213.60 = 4,684,958.44/x - Step 3: Cross multiply
8,605,175.53x = 11,875,213.60 × 4,684,958.44 - Step 4: Simplify right side
8,605,175.53x = 55,634,882,140,722.35 - Step 5: Solve for x
x = 55,634,882,140,722.35/8,605,175.53 - Step 6: Final answer
x = 6,465,281.50
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1.5x scale
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.