Finding the Fourth Proportional to 32,190,976.41, 48,286,476.91 and 7,930,374.91
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Solution
The fourth proportional to 32,190,976.41, 48,286,476.91 and 7,930,374.91 is: 11,895,565.39
Step by Step Solution
- Step 1: Write the proportion equation
32,190,976.41 : 48,286,476.91 = 7,930,374.91 : x - Step 2: Convert to fraction form
32,190,976.41/48,286,476.91 = 7,930,374.91/x - Step 3: Cross multiply
32,190,976.41x = 48,286,476.91 × 7,930,374.91 - Step 4: Simplify right side
32,190,976.41x = 382,929,864,698,274.06 - Step 5: Solve for x
x = 382,929,864,698,274.06/32,190,976.41 - Step 6: Final answer
x = 11,895,565.39
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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.