Finding the Fourth Proportional to 14,450,743.47, 19,942,600.97 and 7,924,606.98
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Solution
The fourth proportional to 14,450,743.47, 19,942,600.97 and 7,924,606.98 is: 10,936,272.95
Step by Step Solution
- Step 1: Write the proportion equation
14,450,743.47 : 19,942,600.97 = 7,924,606.98 : x - Step 2: Convert to fraction form
14,450,743.47/19,942,600.97 = 7,924,606.98/x - Step 3: Cross multiply
14,450,743.47x = 19,942,600.97 × 7,924,606.98 - Step 4: Simplify right side
14,450,743.47x = 158,037,274,846,216.78 - Step 5: Solve for x
x = 158,037,274,846,216.78/14,450,743.47 - Step 6: Final answer
x = 10,936,272.95
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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.