Finding the Fourth Proportional to 10,875,808.44, 16,278,228.12 and 7,996,411.80
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Solution
The fourth proportional to 10,875,808.44, 16,278,228.12 and 7,996,411.80 is: 11,968,527.78
Step by Step Solution
- Step 1: Write the proportion equation
10,875,808.44 : 16,278,228.12 = 7,996,411.80 : x - Step 2: Convert to fraction form
10,875,808.44/16,278,228.12 = 7,996,411.80/x - Step 3: Cross multiply
10,875,808.44x = 16,278,228.12 × 7,996,411.80 - Step 4: Simplify right side
10,875,808.44x = 130,167,415,421,859.81 - Step 5: Solve for x
x = 130,167,415,421,859.81/10,875,808.44 - Step 6: Final answer
x = 11,968,527.78
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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.