Finding the Fourth Proportional to 14,621,767.68, 21,932,107.20 and 3,838,969.92
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Solution
The fourth proportional to 14,621,767.68, 21,932,107.20 and 3,838,969.92 is: 5,758,311.97
Step by Step Solution
- Step 1: Write the proportion equation
14,621,767.68 : 21,932,107.20 = 3,838,969.92 : x - Step 2: Convert to fraction form
14,621,767.68/21,932,107.20 = 3,838,969.92/x - Step 3: Cross multiply
14,621,767.68x = 21,932,107.20 × 3,838,969.92 - Step 4: Simplify right side
14,621,767.68x = 84,196,699,823,015.42 - Step 5: Solve for x
x = 84,196,699,823,015.42/14,621,767.68 - Step 6: Final answer
x = 5,758,311.97
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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.