Finding the Fourth Proportional to 14,835,053.25, 20,465,852.11 and 8,951,405.65
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Solution
The fourth proportional to 14,835,053.25, 20,465,852.11 and 8,951,405.65 is: 12,349,004.82
Step by Step Solution
- Step 1: Write the proportion equation
14,835,053.25 : 20,465,852.11 = 8,951,405.65 : x - Step 2: Convert to fraction form
14,835,053.25/20,465,852.11 = 8,951,405.65/x - Step 3: Cross multiply
14,835,053.25x = 20,465,852.11 × 8,951,405.65 - Step 4: Simplify right side
14,835,053.25x = 183,198,144,135,975.31 - Step 5: Solve for x
x = 183,198,144,135,975.31/14,835,053.25 - Step 6: Final answer
x = 12,349,004.82
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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.