Finding the Fourth Proportional to 11,656,234.20, 17,484,351.30 and 7,415,203.80
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Solution
The fourth proportional to 11,656,234.20, 17,484,351.30 and 7,415,203.80 is: 11,122,805.70
Step by Step Solution
- Step 1: Write the proportion equation
11,656,234.20 : 17,484,351.30 = 7,415,203.80 : x - Step 2: Convert to fraction form
11,656,234.20/17,484,351.30 = 7,415,203.80/x - Step 3: Cross multiply
11,656,234.20x = 17,484,351.30 × 7,415,203.80 - Step 4: Simplify right side
11,656,234.20x = 129,650,028,200,294.94 - Step 5: Solve for x
x = 129,650,028,200,294.94/11,656,234.20 - Step 6: Final answer
x = 11,122,805.70
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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.