Finding the Fourth Proportional to 14,874,484.97, 20,528,792.28 and 8,348,471.44
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Solution
The fourth proportional to 14,874,484.97, 20,528,792.28 and 8,348,471.44 is: 11,522,014.80
Step by Step Solution
- Step 1: Write the proportion equation
14,874,484.97 : 20,528,792.28 = 8,348,471.44 : x - Step 2: Convert to fraction form
14,874,484.97/20,528,792.28 = 8,348,471.44/x - Step 3: Cross multiply
14,874,484.97x = 20,528,792.28 × 8,348,471.44 - Step 4: Simplify right side
14,874,484.97x = 171,384,035,944,628.53 - Step 5: Solve for x
x = 171,384,035,944,628.53/14,874,484.97 - Step 6: Final answer
x = 11,522,014.80
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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.