Finding the Fourth Proportional to 19,193,630.40, 28,790,445.74 and 6,414,135.12
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Solution
The fourth proportional to 19,193,630.40, 28,790,445.74 and 6,414,135.12 is: 9,621,202.73
Step by Step Solution
- Step 1: Write the proportion equation
19,193,630.40 : 28,790,445.74 = 6,414,135.12 : x - Step 2: Convert to fraction form
19,193,630.40/28,790,445.74 = 6,414,135.12/x - Step 3: Cross multiply
19,193,630.40x = 28,790,445.74 × 6,414,135.12 - Step 4: Simplify right side
19,193,630.40x = 184,665,809,109,317.72 - Step 5: Solve for x
x = 184,665,809,109,317.72/19,193,630.40 - Step 6: Final answer
x = 9,621,202.73
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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.