Finding the Fourth Proportional to 23,450,646.44, 32,361,895.15 and 12,997,337.65
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Solution
The fourth proportional to 23,450,646.44, 32,361,895.15 and 12,997,337.65 is: 17,936,327.65
Step by Step Solution
- Step 1: Write the proportion equation
23,450,646.44 : 32,361,895.15 = 12,997,337.65 : x - Step 2: Convert to fraction form
23,450,646.44/32,361,895.15 = 12,997,337.65/x - Step 3: Cross multiply
23,450,646.44x = 32,361,895.15 × 12,997,337.65 - Step 4: Simplify right side
23,450,646.44x = 420,618,478,193,789.38 - Step 5: Solve for x
x = 420,618,478,193,789.38/23,450,646.44 - Step 6: Final answer
x = 17,936,327.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.