Finding the Fourth Proportional to 8,153,684.25, 12,221,557.21 and 3,358,757.62
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Solution
The fourth proportional to 8,153,684.25, 12,221,557.21 and 3,358,757.62 is: 5,034,441.75
Step by Step Solution
- Step 1: Write the proportion equation
8,153,684.25 : 12,221,557.21 = 3,358,757.62 : x - Step 2: Convert to fraction form
8,153,684.25/12,221,557.21 = 3,358,757.62/x - Step 3: Cross multiply
8,153,684.25x = 12,221,557.21 × 3,358,757.62 - Step 4: Simplify right side
8,153,684.25x = 41,049,248,407,353.45 - Step 5: Solve for x
x = 41,049,248,407,353.45/8,153,684.25 - Step 6: Final answer
x = 5,034,441.75
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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.