Finding the Fourth Proportional to 14,384,106.48, 19,850,671.08 and 8,272,540.56
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Solution
The fourth proportional to 14,384,106.48, 19,850,671.08 and 8,272,540.56 is: 11,416,453.42
Step by Step Solution
- Step 1: Write the proportion equation
14,384,106.48 : 19,850,671.08 = 8,272,540.56 : x - Step 2: Convert to fraction form
14,384,106.48/19,850,671.08 = 8,272,540.56/x - Step 3: Cross multiply
14,384,106.48x = 19,850,671.08 × 8,272,540.56 - Step 4: Simplify right side
14,384,106.48x = 164,215,481,652,518.97 - Step 5: Solve for x
x = 164,215,481,652,518.97/14,384,106.48 - Step 6: Final answer
x = 11,416,453.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.