Finding the Fourth Proportional to 18,455,431.38, 27,683,913.74 and 6,333,230.58
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Solution
The fourth proportional to 18,455,431.38, 27,683,913.74 and 6,333,230.58 is: 9,500,108.96
Step by Step Solution
- Step 1: Write the proportion equation
18,455,431.38 : 27,683,913.74 = 6,333,230.58 : x - Step 2: Convert to fraction form
18,455,431.38/27,683,913.74 = 6,333,230.58/x - Step 3: Cross multiply
18,455,431.38x = 27,683,913.74 × 6,333,230.58 - Step 4: Simplify right side
18,455,431.38x = 175,328,609,040,584 - Step 5: Solve for x
x = 175,328,609,040,584/18,455,431.38 - Step 6: Final answer
x = 9,500,108.96
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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.