Finding the Fourth Proportional to 19,686,367.20, 29,525,614.20 and 9,451,207.20
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Solution
The fourth proportional to 19,686,367.20, 29,525,614.20 and 9,451,207.20 is: 14,174,920.88
Step by Step Solution
- Step 1: Write the proportion equation
19,686,367.20 : 29,525,614.20 = 9,451,207.20 : x - Step 2: Convert to fraction form
19,686,367.20/29,525,614.20 = 9,451,207.20/x - Step 3: Cross multiply
19,686,367.20x = 29,525,614.20 × 9,451,207.20 - Step 4: Simplify right side
19,686,367.20x = 279,052,697,511,462.22 - Step 5: Solve for x
x = 279,052,697,511,462.22/19,686,367.20 - Step 6: Final answer
x = 14,174,920.88
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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.