Finding the Fourth Proportional to 17,552,473.20, 26,372,946.60 and 11,165,785.20
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Solution
The fourth proportional to 17,552,473.20, 26,372,946.60 and 11,165,785.20 is: 16,776,818.48
Step by Step Solution
- Step 1: Write the proportion equation
17,552,473.20 : 26,372,946.60 = 11,165,785.20 : x - Step 2: Convert to fraction form
17,552,473.20/26,372,946.60 = 11,165,785.20/x - Step 3: Cross multiply
17,552,473.20x = 26,372,946.60 × 11,165,785.20 - Step 4: Simplify right side
17,552,473.20x = 294,474,656,826,670.31 - Step 5: Solve for x
x = 294,474,656,826,670.31/17,552,473.20 - Step 6: Final answer
x = 16,776,818.48
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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.