Finding the Fourth Proportional to 18,427,231.34, 27,603,840.53 and 9,177,339.14
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Solution
The fourth proportional to 18,427,231.34, 27,603,840.53 and 9,177,339.14 is: 13,747,578.32
Step by Step Solution
- Step 1: Write the proportion equation
18,427,231.34 : 27,603,840.53 = 9,177,339.14 : x - Step 2: Convert to fraction form
18,427,231.34/27,603,840.53 = 9,177,339.14/x - Step 3: Cross multiply
18,427,231.34x = 27,603,840.53 × 9,177,339.14 - Step 4: Simplify right side
18,427,231.34x = 253,329,805,995,211.47 - Step 5: Solve for x
x = 253,329,805,995,211.47/18,427,231.34 - Step 6: Final answer
x = 13,747,578.32
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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.