Finding the Fourth Proportional to 12,269,166.44, 16,930,454.21 and 7,112,860.14
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Solution
The fourth proportional to 12,269,166.44, 16,930,454.21 and 7,112,860.14 is: 9,815,169.88
Step by Step Solution
- Step 1: Write the proportion equation
12,269,166.44 : 16,930,454.21 = 7,112,860.14 : x - Step 2: Convert to fraction form
12,269,166.44/16,930,454.21 = 7,112,860.14/x - Step 3: Cross multiply
12,269,166.44x = 16,930,454.21 × 7,112,860.14 - Step 4: Simplify right side
12,269,166.44x = 120,423,952,902,404.19 - Step 5: Solve for x
x = 120,423,952,902,404.19/12,269,166.44 - Step 6: Final answer
x = 9,815,169.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.