Finding the Fourth Proportional to 14,231,704.64, 19,639,763.97 and 7,705,338.62
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Solution
The fourth proportional to 14,231,704.64, 19,639,763.97 and 7,705,338.62 is: 10,633,373.56
Step by Step Solution
- Step 1: Write the proportion equation
14,231,704.64 : 19,639,763.97 = 7,705,338.62 : x - Step 2: Convert to fraction form
14,231,704.64/19,639,763.97 = 7,705,338.62/x - Step 3: Cross multiply
14,231,704.64x = 19,639,763.97 × 7,705,338.62 - Step 4: Simplify right side
14,231,704.64x = 151,331,031,805,725.50 - Step 5: Solve for x
x = 151,331,031,805,725.50/14,231,704.64 - Step 6: Final answer
x = 10,633,373.56
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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.