Finding the Fourth Proportional to 14,071,574.63, 19,419,101.79 and 7,876,467.29
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Solution
The fourth proportional to 14,071,574.63, 19,419,101.79 and 7,876,467.29 is: 10,869,708.90
Step by Step Solution
- Step 1: Write the proportion equation
14,071,574.63 : 19,419,101.79 = 7,876,467.29 : x - Step 2: Convert to fraction form
14,071,574.63/19,419,101.79 = 7,876,467.29/x - Step 3: Cross multiply
14,071,574.63x = 19,419,101.79 × 7,876,467.29 - Step 4: Simplify right side
14,071,574.63x = 152,953,920,050,115.44 - Step 5: Solve for x
x = 152,953,920,050,115.44/14,071,574.63 - Step 6: Final answer
x = 10,869,708.90
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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.