Finding the Fourth Proportional to 13,860,298.68, 20,788,859.60 and 3,626,146.07
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Solution
The fourth proportional to 13,860,298.68, 20,788,859.60 and 3,626,146.07 is: 5,438,803.54
Step by Step Solution
- Step 1: Write the proportion equation
13,860,298.68 : 20,788,859.60 = 3,626,146.07 : x - Step 2: Convert to fraction form
13,860,298.68/20,788,859.60 = 3,626,146.07/x - Step 3: Cross multiply
13,860,298.68x = 20,788,859.60 × 3,626,146.07 - Step 4: Simplify right side
13,860,298.68x = 75,383,441,538,321.78 - Step 5: Solve for x
x = 75,383,441,538,321.78/13,860,298.68 - Step 6: Final answer
x = 5,438,803.54
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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.