Finding the Fourth Proportional to 20,046,056.22, 27,649,264.28 and 18,397,515.06
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Solution
The fourth proportional to 20,046,056.22, 27,649,264.28 and 18,397,515.06 is: 25,375,452.92
Step by Step Solution
- Step 1: Write the proportion equation
20,046,056.22 : 27,649,264.28 = 18,397,515.06 : x - Step 2: Convert to fraction form
20,046,056.22/27,649,264.28 = 18,397,515.06/x - Step 3: Cross multiply
20,046,056.22x = 27,649,264.28 × 18,397,515.06 - Step 4: Simplify right side
20,046,056.22x = 508,677,755,897,232.44 - Step 5: Solve for x
x = 508,677,755,897,232.44/20,046,056.22 - Step 6: Final answer
x = 25,375,452.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.