Finding the Fourth Proportional to 10,235,235.43, 15,358,166.61 and 4,174,413.67
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Solution
The fourth proportional to 10,235,235.43, 15,358,166.61 and 4,174,413.67 is: 6,263,787.58
Step by Step Solution
- Step 1: Write the proportion equation
10,235,235.43 : 15,358,166.61 = 4,174,413.67 : x - Step 2: Convert to fraction form
10,235,235.43/15,358,166.61 = 4,174,413.67/x - Step 3: Cross multiply
10,235,235.43x = 15,358,166.61 × 4,174,413.67 - Step 4: Simplify right side
10,235,235.43x = 64,111,340,588,872.09 - Step 5: Solve for x
x = 64,111,340,588,872.09/10,235,235.43 - Step 6: Final answer
x = 6,263,787.58
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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.