Finding the Fourth Proportional to 14,641,869.26, 20,206,990.14 and 8,117,546.06
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Solution
The fourth proportional to 14,641,869.26, 20,206,990.14 and 8,117,546.06 is: 11,202,884.71
Step by Step Solution
- Step 1: Write the proportion equation
14,641,869.26 : 20,206,990.14 = 8,117,546.06 : x - Step 2: Convert to fraction form
14,641,869.26/20,206,990.14 = 8,117,546.06/x - Step 3: Cross multiply
14,641,869.26x = 20,206,990.14 × 8,117,546.06 - Step 4: Simplify right side
14,641,869.26x = 164,031,173,195,415.84 - Step 5: Solve for x
x = 164,031,173,195,415.84/14,641,869.26 - Step 6: Final answer
x = 11,202,884.71
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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.