Finding the Fourth Proportional to 25,178,904.70, 37,768,354.99 and 6,983,099.63
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Solution
The fourth proportional to 25,178,904.70, 37,768,354.99 and 6,983,099.63 is: 10,474,648.88
Step by Step Solution
- Step 1: Write the proportion equation
25,178,904.70 : 37,768,354.99 = 6,983,099.63 : x - Step 2: Convert to fraction form
25,178,904.70/37,768,354.99 = 6,983,099.63/x - Step 3: Cross multiply
25,178,904.70x = 37,768,354.99 × 6,983,099.63 - Step 4: Simplify right side
25,178,904.70x = 263,740,185,797,932.94 - Step 5: Solve for x
x = 263,740,185,797,932.94/25,178,904.70 - Step 6: Final answer
x = 10,474,648.88
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1.5x scale
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.