Finding the Fourth Proportional to 17,791,786.14, 24,534,324.63 and 15,221,973.66
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Solution
The fourth proportional to 17,791,786.14, 24,534,324.63 and 15,221,973.66 is: 20,990,632.44
Step by Step Solution
- Step 1: Write the proportion equation
17,791,786.14 : 24,534,324.63 = 15,221,973.66 : x - Step 2: Convert to fraction form
17,791,786.14/24,534,324.63 = 15,221,973.66/x - Step 3: Cross multiply
17,791,786.14x = 24,534,324.63 × 15,221,973.66 - Step 4: Simplify right side
17,791,786.14x = 373,460,843,283,749.25 - Step 5: Solve for x
x = 373,460,843,283,749.25/17,791,786.14 - Step 6: Final answer
x = 20,990,632.44
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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.