Finding the Fourth Proportional to 19,499,649.22, 29,232,128.49 and 9,258,190.66
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Solution
The fourth proportional to 19,499,649.22, 29,232,128.49 and 9,258,190.66 is: 13,879,050.64
Step by Step Solution
- Step 1: Write the proportion equation
19,499,649.22 : 29,232,128.49 = 9,258,190.66 : x - Step 2: Convert to fraction form
19,499,649.22/29,232,128.49 = 9,258,190.66/x - Step 3: Cross multiply
19,499,649.22x = 29,232,128.49 × 9,258,190.66 - Step 4: Simplify right side
19,499,649.22x = 270,636,618,958,037.91 - Step 5: Solve for x
x = 270,636,618,958,037.91/19,499,649.22 - Step 6: Final answer
x = 13,879,050.64
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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.