Finding the Fourth Proportional to 13,508,736.52, 18,642,029.62 and 7,313,781.54
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Solution
The fourth proportional to 13,508,736.52, 18,642,029.62 and 7,313,781.54 is: 10,093,004.03
Step by Step Solution
- Step 1: Write the proportion equation
13,508,736.52 : 18,642,029.62 = 7,313,781.54 : x - Step 2: Convert to fraction form
13,508,736.52/18,642,029.62 = 7,313,781.54/x - Step 3: Cross multiply
13,508,736.52x = 18,642,029.62 × 7,313,781.54 - Step 4: Simplify right side
13,508,736.52x = 136,343,732,084,604.77 - Step 5: Solve for x
x = 136,343,732,084,604.77/13,508,736.52 - Step 6: Final answer
x = 10,093,004.03
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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.