Finding the Fourth Proportional to 10,204,137.72, 14,081,708.79 and 5,620,459.14
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Solution
The fourth proportional to 10,204,137.72, 14,081,708.79 and 5,620,459.14 is: 7,756,232.92
Step by Step Solution
- Step 1: Write the proportion equation
10,204,137.72 : 14,081,708.79 = 5,620,459.14 : x - Step 2: Convert to fraction form
10,204,137.72/14,081,708.79 = 5,620,459.14/x - Step 3: Cross multiply
10,204,137.72x = 14,081,708.79 × 5,620,459.14 - Step 4: Simplify right side
10,204,137.72x = 79,145,668,875,573.83 - Step 5: Solve for x
x = 79,145,668,875,573.83/10,204,137.72 - Step 6: Final answer
x = 7,756,232.92
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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.