Finding the Fourth Proportional to 10,203,491.58, 15,305,142.38 and 4,136,781.26
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Solution
The fourth proportional to 10,203,491.58, 15,305,142.38 and 4,136,781.26 is: 6,205,133.38
Step by Step Solution
- Step 1: Write the proportion equation
10,203,491.58 : 15,305,142.38 = 4,136,781.26 : x - Step 2: Convert to fraction form
10,203,491.58/15,305,142.38 = 4,136,781.26/x - Step 3: Cross multiply
10,203,491.58x = 15,305,142.38 × 4,136,781.26 - Step 4: Simplify right side
10,203,491.58x = 63,314,026,175,272.66 - Step 5: Solve for x
x = 63,314,026,175,272.66/10,203,491.58 - Step 6: Final answer
x = 6,205,133.38
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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.