Finding the Fourth Proportional to 12,394,589.92, 17,101,880.80 and 7,235,610
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Solution
The fourth proportional to 12,394,589.92, 17,101,880.80 and 7,235,610 is: 9,983,592.88
Step by Step Solution
- Step 1: Write the proportion equation
12,394,589.92 : 17,101,880.80 = 7,235,610 : x - Step 2: Convert to fraction form
12,394,589.92/17,101,880.80 = 7,235,610/x - Step 3: Cross multiply
12,394,589.92x = 17,101,880.80 × 7,235,610 - Step 4: Simplify right side
12,394,589.92x = 123,742,539,735,288 - Step 5: Solve for x
x = 123,742,539,735,288/12,394,589.92 - Step 6: Final answer
x = 9,983,592.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.