Finding the Fourth Proportional to 10,682,804.80, 16,024,207.20 and 10,304,891.20
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Solution
The fourth proportional to 10,682,804.80, 16,024,207.20 and 10,304,891.20 is: 15,457,336.80
Step by Step Solution
- Step 1: Write the proportion equation
10,682,804.80 : 16,024,207.20 = 10,304,891.20 : x - Step 2: Convert to fraction form
10,682,804.80/16,024,207.20 = 10,304,891.20/x - Step 3: Cross multiply
10,682,804.80x = 16,024,207.20 × 10,304,891.20 - Step 4: Simplify right side
10,682,804.80x = 165,127,711,762,256.62 - Step 5: Solve for x
x = 165,127,711,762,256.62/10,682,804.80 - Step 6: Final answer
x = 15,457,336.80
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1.5x scale
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.