Finding the Fourth Proportional to 17,157,177.99, 23,670,985.28 and 10,965,849.03
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Solution
The fourth proportional to 17,157,177.99, 23,670,985.28 and 10,965,849.03 is: 15,129,087.72
Step by Step Solution
- Step 1: Write the proportion equation
17,157,177.99 : 23,670,985.28 = 10,965,849.03 : x - Step 2: Convert to fraction form
17,157,177.99/23,670,985.28 = 10,965,849.03/x - Step 3: Cross multiply
17,157,177.99x = 23,670,985.28 × 10,965,849.03 - Step 4: Simplify right side
17,157,177.99x = 259,572,450,917,003 - Step 5: Solve for x
x = 259,572,450,917,003/17,157,177.99 - Step 6: Final answer
x = 15,129,087.72
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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.