Finding the Fourth Proportional to 13,177,330.80, 19,765,413.60 and 3,592,709.74
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Solution
The fourth proportional to 13,177,330.80, 19,765,413.60 and 3,592,709.74 is: 5,388,905.77
Step by Step Solution
- Step 1: Write the proportion equation
13,177,330.80 : 19,765,413.60 = 3,592,709.74 : x - Step 2: Convert to fraction form
13,177,330.80/19,765,413.60 = 3,592,709.74/x - Step 3: Cross multiply
13,177,330.80x = 19,765,413.60 × 3,592,709.74 - Step 4: Simplify right side
13,177,330.80x = 71,011,393,987,291.56 - Step 5: Solve for x
x = 71,011,393,987,291.56/13,177,330.80 - Step 6: Final answer
x = 5,388,905.77
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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.