Finding the Fourth Proportional to 8,107,690.62, 11,174,977.14 and 6,146,919.36
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Solution
The fourth proportional to 8,107,690.62, 11,174,977.14 and 6,146,919.36 is: 8,472,410.52
Step by Step Solution
- Step 1: Write the proportion equation
8,107,690.62 : 11,174,977.14 = 6,146,919.36 : x - Step 2: Convert to fraction form
8,107,690.62/11,174,977.14 = 6,146,919.36/x - Step 3: Cross multiply
8,107,690.62x = 11,174,977.14 × 6,146,919.36 - Step 4: Simplify right side
8,107,690.62x = 68,691,683,329,423.44 - Step 5: Solve for x
x = 68,691,683,329,423.44/8,107,690.62 - Step 6: Final answer
x = 8,472,410.52
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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.