Finding the Fourth Proportional to 11,612,682.68, 16,024,594.26 and 6,455,730.20
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Solution
The fourth proportional to 11,612,682.68, 16,024,594.26 and 6,455,730.20 is: 8,908,402.99
Step by Step Solution
- Step 1: Write the proportion equation
11,612,682.68 : 16,024,594.26 = 6,455,730.20 : x - Step 2: Convert to fraction form
11,612,682.68/16,024,594.26 = 6,455,730.20/x - Step 3: Cross multiply
11,612,682.68x = 16,024,594.26 × 6,455,730.20 - Step 4: Simplify right side
11,612,682.68x = 103,450,457,107,028.66 - Step 5: Solve for x
x = 103,450,457,107,028.66/11,612,682.68 - Step 6: Final answer
x = 8,908,402.99
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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.