Finding the Fourth Proportional to 14,028,925.26, 19,354,408.62 and 8,147,558.28
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Solution
The fourth proportional to 14,028,925.26, 19,354,408.62 and 8,147,558.28 is: 11,240,431.41
Step by Step Solution
- Step 1: Write the proportion equation
14,028,925.26 : 19,354,408.62 = 8,147,558.28 : x - Step 2: Convert to fraction form
14,028,925.26/19,354,408.62 = 8,147,558.28/x - Step 3: Cross multiply
14,028,925.26x = 19,354,408.62 × 8,147,558.28 - Step 4: Simplify right side
14,028,925.26x = 157,691,172,206,384.38 - Step 5: Solve for x
x = 157,691,172,206,384.38/14,028,925.26 - Step 6: Final answer
x = 11,240,431.41
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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.