Finding the Fourth Proportional to 13,639,735.10, 20,468,638.97 and 7,496,007.26
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Solution
The fourth proportional to 13,639,735.10, 20,468,638.97 and 7,496,007.26 is: 11,248,976.99
Step by Step Solution
- Step 1: Write the proportion equation
13,639,735.10 : 20,468,638.97 = 7,496,007.26 : x - Step 2: Convert to fraction form
13,639,735.10/20,468,638.97 = 7,496,007.26/x - Step 3: Cross multiply
13,639,735.10x = 20,468,638.97 × 7,496,007.26 - Step 4: Simplify right side
13,639,735.10x = 153,433,066,181,615.69 - Step 5: Solve for x
x = 153,433,066,181,615.69/13,639,735.10 - Step 6: Final answer
x = 11,248,976.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.