Finding the Fourth Proportional to 13,588,183.24, 18,751,348.74 and 7,392,966.28
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Solution
The fourth proportional to 13,588,183.24, 18,751,348.74 and 7,392,966.28 is: 10,202,106.23
Step by Step Solution
- Step 1: Write the proportion equation
13,588,183.24 : 18,751,348.74 = 7,392,966.28 : x - Step 2: Convert to fraction form
13,588,183.24/18,751,348.74 = 7,392,966.28/x - Step 3: Cross multiply
13,588,183.24x = 18,751,348.74 × 7,392,966.28 - Step 4: Simplify right side
13,588,183.24x = 138,628,088,939,340.48 - Step 5: Solve for x
x = 138,628,088,939,340.48/13,588,183.24 - Step 6: Final answer
x = 10,202,106.23
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.