Finding the Fourth Proportional to 13,680,279.96, 20,508,830.19 and 5,998,102.80
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Solution
The fourth proportional to 13,680,279.96, 20,508,830.19 and 5,998,102.80 is: 8,992,072.69
Step by Step Solution
- Step 1: Write the proportion equation
13,680,279.96 : 20,508,830.19 = 5,998,102.80 : x - Step 2: Convert to fraction form
13,680,279.96/20,508,830.19 = 5,998,102.80/x - Step 3: Cross multiply
13,680,279.96x = 20,508,830.19 × 5,998,102.80 - Step 4: Simplify right side
13,680,279.96x = 123,014,071,787,363.53 - Step 5: Solve for x
x = 123,014,071,787,363.53/13,680,279.96 - Step 6: Final answer
x = 8,992,072.69
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1.5x scale
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.