Finding the Fourth Proportional to 30,093,148.57, 45,125,495.73 and 11,657,728.87
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Solution
The fourth proportional to 30,093,148.57, 45,125,495.73 and 11,657,728.87 is: 17,481,081.89
Step by Step Solution
- Step 1: Write the proportion equation
30,093,148.57 : 45,125,495.73 = 11,657,728.87 : x - Step 2: Convert to fraction form
30,093,148.57/45,125,495.73 = 11,657,728.87/x - Step 3: Cross multiply
30,093,148.57x = 45,125,495.73 × 11,657,728.87 - Step 4: Simplify right side
30,093,148.57x = 526,060,794,344,682.62 - Step 5: Solve for x
x = 526,060,794,344,682.62/30,093,148.57 - Step 6: Final answer
x = 17,481,081.89
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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.