Finding the Fourth Proportional to 9,811,288.97, 13,539,578.81 and 5,461,402.87
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Solution
The fourth proportional to 9,811,288.97, 13,539,578.81 and 5,461,402.87 is: 7,536,735.98
Step by Step Solution
- Step 1: Write the proportion equation
9,811,288.97 : 13,539,578.81 = 5,461,402.87 : x - Step 2: Convert to fraction form
9,811,288.97/13,539,578.81 = 5,461,402.87/x - Step 3: Cross multiply
9,811,288.97x = 13,539,578.81 × 5,461,402.87 - Step 4: Simplify right side
9,811,288.97x = 73,945,094,510,369.22 - Step 5: Solve for x
x = 73,945,094,510,369.22/9,811,288.97 - Step 6: Final answer
x = 7,536,735.98
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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.