Finding the Fourth Proportional to 18,798,676.04, 28,192,273.68 and 13,000,134.98
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Solution
The fourth proportional to 18,798,676.04, 28,192,273.68 and 13,000,134.98 is: 19,496,232.74
Step by Step Solution
- Step 1: Write the proportion equation
18,798,676.04 : 28,192,273.68 = 13,000,134.98 : x - Step 2: Convert to fraction form
18,798,676.04/28,192,273.68 = 13,000,134.98/x - Step 3: Cross multiply
18,798,676.04x = 28,192,273.68 × 13,000,134.98 - Step 4: Simplify right side
18,798,676.04x = 366,503,363,233,101.31 - Step 5: Solve for x
x = 366,503,363,233,101.31/18,798,676.04 - Step 6: Final answer
x = 19,496,232.74
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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.