Finding the Fourth Proportional to 16,129,886.20, 24,194,829.30 and 15,751,972.60
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Solution
The fourth proportional to 16,129,886.20, 24,194,829.30 and 15,751,972.60 is: 23,627,958.90
Step by Step Solution
- Step 1: Write the proportion equation
16,129,886.20 : 24,194,829.30 = 15,751,972.60 : x - Step 2: Convert to fraction form
16,129,886.20/24,194,829.30 = 15,751,972.60/x - Step 3: Cross multiply
16,129,886.20x = 24,194,829.30 × 15,751,972.60 - Step 4: Simplify right side
16,129,886.20x = 381,116,288,195,277.19 - Step 5: Solve for x
x = 381,116,288,195,277.19/16,129,886.20 - Step 6: Final answer
x = 23,627,958.90
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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.