Finding the Fourth Proportional to 12,324,273.18, 18,488,092.08 and 5,134,125.60
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Solution
The fourth proportional to 12,324,273.18, 18,488,092.08 and 5,134,125.60 is: 7,701,889.23
Step by Step Solution
- Step 1: Write the proportion equation
12,324,273.18 : 18,488,092.08 = 5,134,125.60 : x - Step 2: Convert to fraction form
12,324,273.18/18,488,092.08 = 5,134,125.60/x - Step 3: Cross multiply
12,324,273.18x = 18,488,092.08 × 5,134,125.60 - Step 4: Simplify right side
12,324,273.18x = 94,920,186,843,085.23 - Step 5: Solve for x
x = 94,920,186,843,085.23/12,324,273.18 - Step 6: Final answer
x = 7,701,889.23
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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.