Finding the Fourth Proportional to 37,509,245.40, 56,228,438.70 and 22,168,315.20
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Solution
The fourth proportional to 37,509,245.40, 56,228,438.70 and 22,168,315.20 is: 33,231,533.69
Step by Step Solution
- Step 1: Write the proportion equation
37,509,245.40 : 56,228,438.70 = 22,168,315.20 : x - Step 2: Convert to fraction form
37,509,245.40/56,228,438.70 = 22,168,315.20/x - Step 3: Cross multiply
37,509,245.40x = 56,228,438.70 × 22,168,315.20 - Step 4: Simplify right side
37,509,245.40x = 1,246,489,752,305,478.25 - Step 5: Solve for x
x = 1,246,489,752,305,478.25/37,509,245.40 - Step 6: Final answer
x = 33,231,533.69
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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.