Finding the Fourth Proportional to 19,674,902.16, 27,151,413.12 and 10,973,638.44
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Solution
The fourth proportional to 19,674,902.16, 27,151,413.12 and 10,973,638.44 is: 15,143,647.90
Step by Step Solution
- Step 1: Write the proportion equation
19,674,902.16 : 27,151,413.12 = 10,973,638.44 : x - Step 2: Convert to fraction form
19,674,902.16/27,151,413.12 = 10,973,638.44/x - Step 3: Cross multiply
19,674,902.16x = 27,151,413.12 × 10,973,638.44 - Step 4: Simplify right side
19,674,902.16x = 297,949,790,713,952.31 - Step 5: Solve for x
x = 297,949,790,713,952.31/19,674,902.16 - Step 6: Final answer
x = 15,143,647.90
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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.