Finding the Fourth Proportional to 8,000,157.31, 11,040,246.35 and 4,329,073.91
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Solution
The fourth proportional to 8,000,157.31, 11,040,246.35 and 4,329,073.91 is: 5,974,137.84
Step by Step Solution
- Step 1: Write the proportion equation
8,000,157.31 : 11,040,246.35 = 4,329,073.91 : x - Step 2: Convert to fraction form
8,000,157.31/11,040,246.35 = 4,329,073.91/x - Step 3: Cross multiply
8,000,157.31x = 11,040,246.35 × 4,329,073.91 - Step 4: Simplify right side
8,000,157.31x = 47,794,042,480,298.03 - Step 5: Solve for x
x = 47,794,042,480,298.03/8,000,157.31 - Step 6: Final answer
x = 5,974,137.84
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1.5x scale
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.