Finding the Fourth Proportional to 8,571,395.21, 12,856,305.48 and 2,891,668.73
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Solution
The fourth proportional to 8,571,395.21, 12,856,305.48 and 2,891,668.73 is: 4,337,237.48
Step by Step Solution
- Step 1: Write the proportion equation
8,571,395.21 : 12,856,305.48 = 2,891,668.73 : x - Step 2: Convert to fraction form
8,571,395.21/12,856,305.48 = 2,891,668.73/x - Step 3: Cross multiply
8,571,395.21x = 12,856,305.48 × 2,891,668.73 - Step 4: Simplify right side
8,571,395.21x = 37,176,176,539,843.64 - Step 5: Solve for x
x = 37,176,176,539,843.64/8,571,395.21 - Step 6: Final answer
x = 4,337,237.48
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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.