Finding the Fourth Proportional to 15,361,413.12, 21,198,927.36 and 8,485,751.04
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Solution
The fourth proportional to 15,361,413.12, 21,198,927.36 and 8,485,751.04 is: 11,710,434.35
Step by Step Solution
- Step 1: Write the proportion equation
15,361,413.12 : 21,198,927.36 = 8,485,751.04 : x - Step 2: Convert to fraction form
15,361,413.12/21,198,927.36 = 8,485,751.04/x - Step 3: Cross multiply
15,361,413.12x = 21,198,927.36 × 8,485,751.04 - Step 4: Simplify right side
15,361,413.12x = 179,888,819,892,004.44 - Step 5: Solve for x
x = 179,888,819,892,004.44/15,361,413.12 - Step 6: Final answer
x = 11,710,434.35
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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.