Finding the Fourth Proportional to 45,687,988.32, 68,497,896.12 and 27,487,918.56
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Solution
The fourth proportional to 45,687,988.32, 68,497,896.12 and 27,487,918.56 is: 41,211,369.98
Step by Step Solution
- Step 1: Write the proportion equation
45,687,988.32 : 68,497,896.12 = 27,487,918.56 : x - Step 2: Convert to fraction form
45,687,988.32/68,497,896.12 = 27,487,918.56/x - Step 3: Cross multiply
45,687,988.32x = 68,497,896.12 × 27,487,918.56 - Step 4: Simplify right side
45,687,988.32x = 1,882,864,590,077,900 - Step 5: Solve for x
x = 1,882,864,590,077,900/45,687,988.32 - Step 6: Final answer
x = 41,211,369.98
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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.