Finding the Fourth Proportional to 18,798,675.54, 28,192,272.93 and 13,000,134.48
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Solution
The fourth proportional to 18,798,675.54, 28,192,272.93 and 13,000,134.48 is: 19,496,231.99
Step by Step Solution
- Step 1: Write the proportion equation
18,798,675.54 : 28,192,272.93 = 13,000,134.48 : x - Step 2: Convert to fraction form
18,798,675.54/28,192,272.93 = 13,000,134.48/x - Step 3: Cross multiply
18,798,675.54x = 28,192,272.93 × 13,000,134.48 - Step 4: Simplify right side
18,798,675.54x = 366,503,339,386,863.62 - Step 5: Solve for x
x = 366,503,339,386,863.62/18,798,675.54 - Step 6: Final answer
x = 19,496,231.99
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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.