Finding the Fourth Proportional to 19,418,232.87, 29,122,305.44 and 5,768,170.79
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Solution
The fourth proportional to 19,418,232.87, 29,122,305.44 and 5,768,170.79 is: 8,650,757.90
Step by Step Solution
- Step 1: Write the proportion equation
19,418,232.87 : 29,122,305.44 = 5,768,170.79 : x - Step 2: Convert to fraction form
19,418,232.87/29,122,305.44 = 5,768,170.79/x - Step 3: Cross multiply
19,418,232.87x = 29,122,305.44 × 5,768,170.79 - Step 4: Simplify right side
19,418,232.87x = 167,982,431,402,013.72 - Step 5: Solve for x
x = 167,982,431,402,013.72/19,418,232.87 - Step 6: Final answer
x = 8,650,757.90
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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.