Finding the Fourth Proportional to 13,465,034.95, 20,227,445.88 and 8,351,243.92
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Solution
The fourth proportional to 13,465,034.95, 20,227,445.88 and 8,351,243.92 is: 12,545,406.31
Step by Step Solution
- Step 1: Write the proportion equation
13,465,034.95 : 20,227,445.88 = 8,351,243.92 : x - Step 2: Convert to fraction form
13,465,034.95/20,227,445.88 = 8,351,243.92/x - Step 3: Cross multiply
13,465,034.95x = 20,227,445.88 × 8,351,243.92 - Step 4: Simplify right side
13,465,034.95x = 168,924,334,422,479.03 - Step 5: Solve for x
x = 168,924,334,422,479.03/13,465,034.95 - Step 6: Final answer
x = 12,545,406.31
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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.