Finding the Fourth Proportional to 18,605,837.34, 27,908,756.28 and 5,827,342.14
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Solution
The fourth proportional to 18,605,837.34, 27,908,756.28 and 5,827,342.14 is: 8,741,013.29
Step by Step Solution
- Step 1: Write the proportion equation
18,605,837.34 : 27,908,756.28 = 5,827,342.14 : x - Step 2: Convert to fraction form
18,605,837.34/27,908,756.28 = 5,827,342.14/x - Step 3: Cross multiply
18,605,837.34x = 27,908,756.28 × 5,827,342.14 - Step 4: Simplify right side
18,605,837.34x = 162,633,871,545,433.62 - Step 5: Solve for x
x = 162,633,871,545,433.62/18,605,837.34 - Step 6: Final answer
x = 8,741,013.29
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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.