Finding the Fourth Proportional to 18,733,814.97, 28,126,215.58 and 10,542,244.26
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Solution
The fourth proportional to 18,733,814.97, 28,126,215.58 and 10,542,244.26 is: 15,827,712.37
Step by Step Solution
- Step 1: Write the proportion equation
18,733,814.97 : 28,126,215.58 = 10,542,244.26 : x - Step 2: Convert to fraction form
18,733,814.97/28,126,215.58 = 10,542,244.26/x - Step 3: Cross multiply
18,733,814.97x = 28,126,215.58 × 10,542,244.26 - Step 4: Simplify right side
18,733,814.97x = 296,513,434,852,661.94 - Step 5: Solve for x
x = 296,513,434,852,661.94/18,733,814.97 - Step 6: Final answer
x = 15,827,712.37
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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.