Finding the Fourth Proportional to 19,306,226.76, 26,647,233.12 and 11,051,074.50
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Solution
The fourth proportional to 19,306,226.76, 26,647,233.12 and 11,051,074.50 is: 15,253,138.90
Step by Step Solution
- Step 1: Write the proportion equation
19,306,226.76 : 26,647,233.12 = 11,051,074.50 : x - Step 2: Convert to fraction form
19,306,226.76/26,647,233.12 = 11,051,074.50/x - Step 3: Cross multiply
19,306,226.76x = 26,647,233.12 × 11,051,074.50 - Step 4: Simplify right side
19,306,226.76x = 294,480,558,427,987.44 - Step 5: Solve for x
x = 294,480,558,427,987.44/19,306,226.76 - Step 6: Final answer
x = 15,253,138.90
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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.