Finding the Fourth Proportional to 10,366,563.85, 15,549,845.78 and 2,793,529.60
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Solution
The fourth proportional to 10,366,563.85, 15,549,845.78 and 2,793,529.60 is: 4,190,294.40
Step by Step Solution
- Step 1: Write the proportion equation
10,366,563.85 : 15,549,845.78 = 2,793,529.60 : x - Step 2: Convert to fraction form
10,366,563.85/15,549,845.78 = 2,793,529.60/x - Step 3: Cross multiply
10,366,563.85x = 15,549,845.78 × 2,793,529.60 - Step 4: Simplify right side
10,366,563.85x = 43,438,954,461,865.09 - Step 5: Solve for x
x = 43,438,954,461,865.09/10,366,563.85 - Step 6: Final answer
x = 4,190,294.40
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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.