Finding the Fourth Proportional to 14,076,609.84, 21,129,845.94 and 12,467,822.40
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Solution
The fourth proportional to 14,076,609.84, 21,129,845.94 and 12,467,822.40 is: 18,714,958.33
Step by Step Solution
- Step 1: Write the proportion equation
14,076,609.84 : 21,129,845.94 = 12,467,822.40 : x - Step 2: Convert to fraction form
14,076,609.84/21,129,845.94 = 12,467,822.40/x - Step 3: Cross multiply
14,076,609.84x = 21,129,845.94 × 12,467,822.40 - Step 4: Simplify right side
14,076,609.84x = 263,443,166,519,281.09 - Step 5: Solve for x
x = 263,443,166,519,281.09/14,076,609.84 - Step 6: Final answer
x = 18,714,958.33
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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.