Finding the Fourth Proportional to 18,580,724.42, 27,871,366.93 and 6,450,573.26
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Solution
The fourth proportional to 18,580,724.42, 27,871,366.93 and 6,450,573.26 is: 9,675,957.20
Step by Step Solution
- Step 1: Write the proportion equation
18,580,724.42 : 27,871,366.93 = 6,450,573.26 : x - Step 2: Convert to fraction form
18,580,724.42/27,871,366.93 = 6,450,573.26/x - Step 3: Cross multiply
18,580,724.42x = 27,871,366.93 × 6,450,573.26 - Step 4: Simplify right side
18,580,724.42x = 179,786,294,238,306.28 - Step 5: Solve for x
x = 179,786,294,238,306.28/18,580,724.42 - Step 6: Final answer
x = 9,675,957.20
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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.