Finding the Fourth Proportional to 25,347,469.97, 34,983,987.05 and 14,893,484.21
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Solution
The fourth proportional to 25,347,469.97, 34,983,987.05 and 14,893,484.21 is: 20,555,639.65
Step by Step Solution
- Step 1: Write the proportion equation
25,347,469.97 : 34,983,987.05 = 14,893,484.21 : x - Step 2: Convert to fraction form
25,347,469.97/34,983,987.05 = 14,893,484.21/x - Step 3: Cross multiply
25,347,469.97x = 34,983,987.05 × 14,893,484.21 - Step 4: Simplify right side
25,347,469.97x = 521,033,458,732,019.44 - Step 5: Solve for x
x = 521,033,458,732,019.44/25,347,469.97 - Step 6: Final answer
x = 20,555,639.65
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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.