Finding the Fourth Proportional to 10,391,636.14, 14,340,006.81 and 5,681,945.26
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Solution
The fourth proportional to 10,391,636.14, 14,340,006.81 and 5,681,945.26 is: 7,840,837.83
Step by Step Solution
- Step 1: Write the proportion equation
10,391,636.14 : 14,340,006.81 = 5,681,945.26 : x - Step 2: Convert to fraction form
10,391,636.14/14,340,006.81 = 5,681,945.26/x - Step 3: Cross multiply
10,391,636.14x = 14,340,006.81 × 5,681,945.26 - Step 4: Simplify right side
10,391,636.14x = 81,479,133,722,447.22 - Step 5: Solve for x
x = 81,479,133,722,447.22/10,391,636.14 - Step 6: Final answer
x = 7,840,837.83
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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.