Finding the Fourth Proportional to 18,535,188.24, 27,807,413.20 and 13,080,932.58
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Solution
The fourth proportional to 18,535,188.24, 27,807,413.20 and 13,080,932.58 is: 19,624,667.02
Step by Step Solution
- Step 1: Write the proportion equation
18,535,188.24 : 27,807,413.20 = 13,080,932.58 : x - Step 2: Convert to fraction form
18,535,188.24/27,807,413.20 = 13,080,932.58/x - Step 3: Cross multiply
18,535,188.24x = 27,807,413.20 × 13,080,932.58 - Step 4: Simplify right side
18,535,188.24x = 363,746,897,293,402.06 - Step 5: Solve for x
x = 363,746,897,293,402.06/18,535,188.24 - Step 6: Final answer
x = 19,624,667.02
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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.