Finding the Fourth Proportional to 10,203,493.08, 15,305,144.62 and 4,136,782.76
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Solution
The fourth proportional to 10,203,493.08, 15,305,144.62 and 4,136,782.76 is: 6,205,135.62
Step by Step Solution
- Step 1: Write the proportion equation
10,203,493.08 : 15,305,144.62 = 4,136,782.76 : x - Step 2: Convert to fraction form
10,203,493.08/15,305,144.62 = 4,136,782.76/x - Step 3: Cross multiply
10,203,493.08x = 15,305,144.62 × 4,136,782.76 - Step 4: Simplify right side
10,203,493.08x = 63,314,058,403,322.74 - Step 5: Solve for x
x = 63,314,058,403,322.74/10,203,493.08 - Step 6: Final answer
x = 6,205,135.62
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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.