Finding the Fourth Proportional to 18,437,744.77, 27,647,765.48 and 8,714,258.53
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Solution
The fourth proportional to 18,437,744.77, 27,647,765.48 and 8,714,258.53 is: 13,067,204.21
Step by Step Solution
- Step 1: Write the proportion equation
18,437,744.77 : 27,647,765.48 = 8,714,258.53 : x - Step 2: Convert to fraction form
18,437,744.77/27,647,765.48 = 8,714,258.53/x - Step 3: Cross multiply
18,437,744.77x = 27,647,765.48 × 8,714,258.53 - Step 4: Simplify right side
18,437,744.77x = 240,929,776,125,958.25 - Step 5: Solve for x
x = 240,929,776,125,958.25/18,437,744.77 - Step 6: Final answer
x = 13,067,204.21
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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.