Finding the Fourth Proportional to 7,258,281.29, 10,887,450.49 and 2,940,413.12
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Solution
The fourth proportional to 7,258,281.29, 10,887,450.49 and 2,940,413.12 is: 4,410,631.25
Step by Step Solution
- Step 1: Write the proportion equation
7,258,281.29 : 10,887,450.49 = 2,940,413.12 : x - Step 2: Convert to fraction form
7,258,281.29/10,887,450.49 = 2,940,413.12/x - Step 3: Cross multiply
7,258,281.29x = 10,887,450.49 × 2,940,413.12 - Step 4: Simplify right side
7,258,281.29x = 32,013,602,293,104.96 - Step 5: Solve for x
x = 32,013,602,293,104.96/7,258,281.29 - Step 6: Final answer
x = 4,410,631.25
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.