Finding the Fourth Proportional to 18,248,174.21, 27,368,772.90 and 5,468,678.93
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Solution
The fourth proportional to 18,248,174.21, 27,368,772.90 and 5,468,678.93 is: 8,201,972.97
Step by Step Solution
- Step 1: Write the proportion equation
18,248,174.21 : 27,368,772.90 = 5,468,678.93 : x - Step 2: Convert to fraction form
18,248,174.21/27,368,772.90 = 5,468,678.93/x - Step 3: Cross multiply
18,248,174.21x = 27,368,772.90 × 5,468,678.93 - Step 4: Simplify right side
18,248,174.21x = 149,671,031,561,341.12 - Step 5: Solve for x
x = 149,671,031,561,341.12/18,248,174.21 - Step 6: Final answer
x = 8,201,972.97
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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.