Finding the Fourth Proportional to 13,166,637.96, 18,169,102.58 and 7,364,413.32
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Solution
The fourth proportional to 13,166,637.96, 18,169,102.58 and 7,364,413.32 is: 10,162,410.59
Step by Step Solution
- Step 1: Write the proportion equation
13,166,637.96 : 18,169,102.58 = 7,364,413.32 : x - Step 2: Convert to fraction form
13,166,637.96/18,169,102.58 = 7,364,413.32/x - Step 3: Cross multiply
13,166,637.96x = 18,169,102.58 × 7,364,413.32 - Step 4: Simplify right side
13,166,637.96x = 133,804,781,052,598.36 - Step 5: Solve for x
x = 133,804,781,052,598.36/13,166,637.96 - Step 6: Final answer
x = 10,162,410.59
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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.