Finding the Fourth Proportional to 11,412,924.36, 15,748,154.04 and 6,940,197.71
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Solution
The fourth proportional to 11,412,924.36, 15,748,154.04 and 6,940,197.71 is: 9,576,450.28
Step by Step Solution
- Step 1: Write the proportion equation
11,412,924.36 : 15,748,154.04 = 6,940,197.71 : x - Step 2: Convert to fraction form
11,412,924.36/15,748,154.04 = 6,940,197.71/x - Step 3: Cross multiply
11,412,924.36x = 15,748,154.04 × 6,940,197.71 - Step 4: Simplify right side
11,412,924.36x = 109,295,302,611,475.80 - Step 5: Solve for x
x = 109,295,302,611,475.80/11,412,924.36 - Step 6: Final answer
x = 9,576,450.28
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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.