Finding the Fourth Proportional to 13,718,256.54, 18,928,512.99 and 8,135,469.24
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Solution
The fourth proportional to 13,718,256.54, 18,928,512.99 and 8,135,469.24 is: 11,225,357.59
Step by Step Solution
- Step 1: Write the proportion equation
13,718,256.54 : 18,928,512.99 = 8,135,469.24 : x - Step 2: Convert to fraction form
13,718,256.54/18,928,512.99 = 8,135,469.24/x - Step 3: Cross multiply
13,718,256.54x = 18,928,512.99 × 8,135,469.24 - Step 4: Simplify right side
13,718,256.54x = 153,992,335,189,085.41 - Step 5: Solve for x
x = 153,992,335,189,085.41/13,718,256.54 - Step 6: Final answer
x = 11,225,357.59
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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.