Finding the Fourth Proportional to 23,653,910.09, 32,642,334.96 and 13,199,814.99
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Solution
The fourth proportional to 23,653,910.09, 32,642,334.96 and 13,199,814.99 is: 18,215,710.67
Step by Step Solution
- Step 1: Write the proportion equation
23,653,910.09 : 32,642,334.96 = 13,199,814.99 : x - Step 2: Convert to fraction form
23,653,910.09/32,642,334.96 = 13,199,814.99/x - Step 3: Cross multiply
23,653,910.09x = 32,642,334.96 × 13,199,814.99 - Step 4: Simplify right side
23,653,910.09x = 430,872,782,313,609.06 - Step 5: Solve for x
x = 430,872,782,313,609.06/23,653,910.09 - Step 6: Final answer
x = 18,215,710.67
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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.