Finding the Fourth Proportional to 38,640,065.80, 57,960,098.70 and 27,302,657.80
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Solution
The fourth proportional to 38,640,065.80, 57,960,098.70 and 27,302,657.80 is: 40,953,986.70
Step by Step Solution
- Step 1: Write the proportion equation
38,640,065.80 : 57,960,098.70 = 27,302,657.80 : x - Step 2: Convert to fraction form
38,640,065.80/57,960,098.70 = 27,302,657.80/x - Step 3: Cross multiply
38,640,065.80x = 57,960,098.70 × 27,302,657.80 - Step 4: Simplify right side
38,640,065.80x = 1,582,464,740,860,325 - Step 5: Solve for x
x = 1,582,464,740,860,325/38,640,065.80 - Step 6: Final answer
x = 40,953,986.70
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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.