Finding the Fourth Proportional to 11,945,165.30, 16,485,727.58 and 6,789,301.87
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Solution
The fourth proportional to 11,945,165.30, 16,485,727.58 and 6,789,301.87 is: 9,370,031.99
Step by Step Solution
- Step 1: Write the proportion equation
11,945,165.30 : 16,485,727.58 = 6,789,301.87 : x - Step 2: Convert to fraction form
11,945,165.30/16,485,727.58 = 6,789,301.87/x - Step 3: Cross multiply
11,945,165.30x = 16,485,727.58 × 6,789,301.87 - Step 4: Simplify right side
11,945,165.30x = 111,926,581,037,503.62 - Step 5: Solve for x
x = 111,926,581,037,503.62/11,945,165.30 - Step 6: Final answer
x = 9,370,031.99
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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.