Finding the Fourth Proportional to 10,667,366.70, 15,988,608.45 and 4,274,457.90
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Solution
The fourth proportional to 10,667,366.70, 15,988,608.45 and 4,274,457.90 is: 6,406,701.45
Step by Step Solution
- Step 1: Write the proportion equation
10,667,366.70 : 15,988,608.45 = 4,274,457.90 : x - Step 2: Convert to fraction form
10,667,366.70/15,988,608.45 = 4,274,457.90/x - Step 3: Cross multiply
10,667,366.70x = 15,988,608.45 × 4,274,457.90 - Step 4: Simplify right side
10,667,366.70x = 68,342,633,699,109.26 - Step 5: Solve for x
x = 68,342,633,699,109.26/10,667,366.70 - Step 6: Final answer
x = 6,406,701.45
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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.