Finding the Fourth Proportional to 14,281,687.40, 19,701,441.06 and 9,119,621.48
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Solution
The fourth proportional to 14,281,687.40, 19,701,441.06 and 9,119,621.48 is: 12,580,424.15
Step by Step Solution
- Step 1: Write the proportion equation
14,281,687.40 : 19,701,441.06 = 9,119,621.48 : x - Step 2: Convert to fraction form
14,281,687.40/19,701,441.06 = 9,119,621.48/x - Step 3: Cross multiply
14,281,687.40x = 19,701,441.06 × 9,119,621.48 - Step 4: Simplify right side
14,281,687.40x = 179,669,685,077,729.97 - Step 5: Solve for x
x = 179,669,685,077,729.97/14,281,687.40 - Step 6: Final answer
x = 12,580,424.15
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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.