Finding the Fourth Proportional to 17,391,905.16, 24,010,147.07 and 13,409,478.41
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Solution
The fourth proportional to 17,391,905.16, 24,010,147.07 and 13,409,478.41 is: 18,512,264.51
Step by Step Solution
- Step 1: Write the proportion equation
17,391,905.16 : 24,010,147.07 = 13,409,478.41 : x - Step 2: Convert to fraction form
17,391,905.16/24,010,147.07 = 13,409,478.41/x - Step 3: Cross multiply
17,391,905.16x = 24,010,147.07 × 13,409,478.41 - Step 4: Simplify right side
17,391,905.16x = 321,963,548,568,991.62 - Step 5: Solve for x
x = 321,963,548,568,991.62/17,391,905.16 - Step 6: Final answer
x = 18,512,264.51
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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.