Finding the Fourth Proportional to 17,374,721.20, 23,977,118.36 and 9,639,745.07
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Solution
The fourth proportional to 17,374,721.20, 23,977,118.36 and 9,639,745.07 is: 13,302,849.92
Step by Step Solution
- Step 1: Write the proportion equation
17,374,721.20 : 23,977,118.36 = 9,639,745.07 : x - Step 2: Convert to fraction form
17,374,721.20/23,977,118.36 = 9,639,745.07/x - Step 3: Cross multiply
17,374,721.20x = 23,977,118.36 × 9,639,745.07 - Step 4: Simplify right side
17,374,721.20x = 231,133,308,407,830.25 - Step 5: Solve for x
x = 231,133,308,407,830.25/17,374,721.20 - Step 6: Final answer
x = 13,302,849.92
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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.