Finding the Fourth Proportional to 10,174,220.46, 14,040,421.00 and 5,590,837.08
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Solution
The fourth proportional to 10,174,220.46, 14,040,421.00 and 5,590,837.08 is: 7,715,353.39
Step by Step Solution
- Step 1: Write the proportion equation
10,174,220.46 : 14,040,421.00 = 5,590,837.08 : x - Step 2: Convert to fraction form
10,174,220.46/14,040,421.00 = 5,590,837.08/x - Step 3: Cross multiply
10,174,220.46x = 14,040,421.00 × 5,590,837.08 - Step 4: Simplify right side
10,174,220.46x = 78,497,706,331,633.59 - Step 5: Solve for x
x = 78,497,706,331,633.59/10,174,220.46 - Step 6: Final answer
x = 7,715,353.39
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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.