Finding the Fourth Proportional to 11,553,413.87, 15,944,209.35 and 6,396,775.41
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Solution
The fourth proportional to 11,553,413.87, 15,944,209.35 and 6,396,775.41 is: 8,827,825.91
Step by Step Solution
- Step 1: Write the proportion equation
11,553,413.87 : 15,944,209.35 = 6,396,775.41 : x - Step 2: Convert to fraction form
11,553,413.87/15,944,209.35 = 6,396,775.41/x - Step 3: Cross multiply
11,553,413.87x = 15,944,209.35 × 6,396,775.41 - Step 4: Simplify right side
11,553,413.87x = 101,991,526,301,972.08 - Step 5: Solve for x
x = 101,991,526,301,972.08/11,553,413.87 - Step 6: Final answer
x = 8,827,825.91
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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.