Finding the Fourth Proportional to 16,647,620.60, 24,971,430.90 and 15,652,292.60
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Solution
The fourth proportional to 16,647,620.60, 24,971,430.90 and 15,652,292.60 is: 23,478,438.90
Step by Step Solution
- Step 1: Write the proportion equation
16,647,620.60 : 24,971,430.90 = 15,652,292.60 : x - Step 2: Convert to fraction form
16,647,620.60/24,971,430.90 = 15,652,292.60/x - Step 3: Cross multiply
16,647,620.60x = 24,971,430.90 × 15,652,292.60 - Step 4: Simplify right side
16,647,620.60x = 390,860,143,087,481.31 - Step 5: Solve for x
x = 390,860,143,087,481.31/16,647,620.60 - Step 6: Final answer
x = 23,478,438.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.