Finding the Fourth Proportional to 15,620,790.78, 23,430,486.33 and 4,261,202.94
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Solution
The fourth proportional to 15,620,790.78, 23,430,486.33 and 4,261,202.94 is: 6,391,613.50
Step by Step Solution
- Step 1: Write the proportion equation
15,620,790.78 : 23,430,486.33 = 4,261,202.94 : x - Step 2: Convert to fraction form
15,620,790.78/23,430,486.33 = 4,261,202.94/x - Step 3: Cross multiply
15,620,790.78x = 23,430,486.33 × 4,261,202.94 - Step 4: Simplify right side
15,620,790.78x = 99,842,057,235,025.81 - Step 5: Solve for x
x = 99,842,057,235,025.81/15,620,790.78 - Step 6: Final answer
x = 6,391,613.50
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1.5x scale
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.