Finding the Fourth Proportional to 51,144,408.84, 76,746,879.66 and 18,819,010.92
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Solution
The fourth proportional to 51,144,408.84, 76,746,879.66 and 18,819,010.92 is: 28,239,653.15
Step by Step Solution
- Step 1: Write the proportion equation
51,144,408.84 : 76,746,879.66 = 18,819,010.92 : x - Step 2: Convert to fraction form
51,144,408.84/76,746,879.66 = 18,819,010.92/x - Step 3: Cross multiply
51,144,408.84x = 76,746,879.66 × 18,819,010.92 - Step 4: Simplify right side
51,144,408.84x = 1,444,300,366,397,466 - Step 5: Solve for x
x = 1,444,300,366,397,466/51,144,408.84 - Step 6: Final answer
x = 28,239,653.15
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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.