Finding the Fourth Proportional to 7,420,458.72, 11,130,143.76 and 2,370,413.28
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Solution
The fourth proportional to 7,420,458.72, 11,130,143.76 and 2,370,413.28 is: 3,555,446.04
Step by Step Solution
- Step 1: Write the proportion equation
7,420,458.72 : 11,130,143.76 = 2,370,413.28 : x - Step 2: Convert to fraction form
7,420,458.72/11,130,143.76 = 2,370,413.28/x - Step 3: Cross multiply
7,420,458.72x = 11,130,143.76 × 2,370,413.28 - Step 4: Simplify right side
7,420,458.72x = 26,383,040,577,013.13 - Step 5: Solve for x
x = 26,383,040,577,013.13/7,420,458.72 - Step 6: Final answer
x = 3,555,446.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.