Finding the Fourth Proportional to 14,394,695.99, 19,864,131.86 and 7,868,270.03
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Solution
The fourth proportional to 14,394,695.99, 19,864,131.86 and 7,868,270.03 is: 10,857,912.77
Step by Step Solution
- Step 1: Write the proportion equation
14,394,695.99 : 19,864,131.86 = 7,868,270.03 : x - Step 2: Convert to fraction form
14,394,695.99/19,864,131.86 = 7,868,270.03/x - Step 3: Cross multiply
14,394,695.99x = 19,864,131.86 × 7,868,270.03 - Step 4: Simplify right side
14,394,695.99x = 156,296,353,306,356.19 - Step 5: Solve for x
x = 156,296,353,306,356.19/14,394,695.99 - Step 6: Final answer
x = 10,857,912.77
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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.