Finding the Fourth Proportional to 20,542,653.08, 28,348,512.70 and 11,375,099
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Solution
The fourth proportional to 20,542,653.08, 28,348,512.70 and 11,375,099 is: 15,697,443.62
Step by Step Solution
- Step 1: Write the proportion equation
20,542,653.08 : 28,348,512.70 = 11,375,099 : x - Step 2: Convert to fraction form
20,542,653.08/28,348,512.70 = 11,375,099/x - Step 3: Cross multiply
20,542,653.08x = 28,348,512.70 × 11,375,099 - Step 4: Simplify right side
20,542,653.08x = 322,467,138,465,257.31 - Step 5: Solve for x
x = 322,467,138,465,257.31/20,542,653.08 - Step 6: Final answer
x = 15,697,443.62
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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.