Finding the Fourth Proportional to 17,671,121.68, 26,503,729.76 and 4,892,918.08
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Solution
The fourth proportional to 17,671,121.68, 26,503,729.76 and 4,892,918.08 is: 7,338,559.54
Step by Step Solution
- Step 1: Write the proportion equation
17,671,121.68 : 26,503,729.76 = 4,892,918.08 : x - Step 2: Convert to fraction form
17,671,121.68/26,503,729.76 = 4,892,918.08/x - Step 3: Cross multiply
17,671,121.68x = 26,503,729.76 × 4,892,918.08 - Step 4: Simplify right side
17,671,121.68x = 129,680,578,530,138.08 - Step 5: Solve for x
x = 129,680,578,530,138.08/17,671,121.68 - Step 6: Final answer
x = 7,338,559.54
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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.