Finding the Fourth Proportional to 10,651,206.40, 15,976,809.60 and 3,462,974.80
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Solution
The fourth proportional to 10,651,206.40, 15,976,809.60 and 3,462,974.80 is: 5,194,462.20
Step by Step Solution
- Step 1: Write the proportion equation
10,651,206.40 : 15,976,809.60 = 3,462,974.80 : x - Step 2: Convert to fraction form
10,651,206.40/15,976,809.60 = 3,462,974.80/x - Step 3: Cross multiply
10,651,206.40x = 15,976,809.60 × 3,462,974.80 - Step 4: Simplify right side
10,651,206.40x = 55,327,289,029,198.08 - Step 5: Solve for x
x = 55,327,289,029,198.08/10,651,206.40 - Step 6: Final answer
x = 5,194,462.20
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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.