Finding the Fourth Proportional to 18,579,603.08, 27,872,993.64 and 7,064,174.99
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Solution
The fourth proportional to 18,579,603.08, 27,872,993.64 and 7,064,174.99 is: 10,597,627.07
Step by Step Solution
- Step 1: Write the proportion equation
18,579,603.08 : 27,872,993.64 = 7,064,174.99 : x - Step 2: Convert to fraction form
18,579,603.08/27,872,993.64 = 7,064,174.99/x - Step 3: Cross multiply
18,579,603.08x = 27,872,993.64 × 7,064,174.99 - Step 4: Simplify right side
18,579,603.08x = 196,899,704,568,117.06 - Step 5: Solve for x
x = 196,899,704,568,117.06/18,579,603.08 - Step 6: Final answer
x = 10,597,627.07
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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.