Finding the Fourth Proportional to 36,879,489.80, 55,319,234.70 and 19,873,377.80
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Solution
The fourth proportional to 36,879,489.80, 55,319,234.70 and 19,873,377.80 is: 29,810,066.70
Step by Step Solution
- Step 1: Write the proportion equation
36,879,489.80 : 55,319,234.70 = 19,873,377.80 : x - Step 2: Convert to fraction form
36,879,489.80/55,319,234.70 = 19,873,377.80/x - Step 3: Cross multiply
36,879,489.80x = 55,319,234.70 × 19,873,377.80 - Step 4: Simplify right side
36,879,489.80x = 1,099,380,050,799,969.75 - Step 5: Solve for x
x = 1,099,380,050,799,969.75/36,879,489.80 - Step 6: Final answer
x = 29,810,066.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.