Finding the Fourth Proportional to 34,702,474.08, 47,889,413.28 and 19,234,882.56
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Solution
The fourth proportional to 34,702,474.08, 47,889,413.28 and 19,234,882.56 is: 26,544,137.41
Step by Step Solution
- Step 1: Write the proportion equation
34,702,474.08 : 47,889,413.28 = 19,234,882.56 : x - Step 2: Convert to fraction form
34,702,474.08/47,889,413.28 = 19,234,882.56/x - Step 3: Cross multiply
34,702,474.08x = 47,889,413.28 × 19,234,882.56 - Step 4: Simplify right side
34,702,474.08x = 921,147,240,308,104.38 - Step 5: Solve for x
x = 921,147,240,308,104.38/34,702,474.08 - Step 6: Final answer
x = 26,544,137.41
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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.