Finding the Fourth Proportional to 10,457,850.88, 15,682,318.08 and 3,979,820.80
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Solution
The fourth proportional to 10,457,850.88, 15,682,318.08 and 3,979,820.80 is: 5,968,034.58
Step by Step Solution
- Step 1: Write the proportion equation
10,457,850.88 : 15,682,318.08 = 3,979,820.80 : x - Step 2: Convert to fraction form
10,457,850.88/15,682,318.08 = 3,979,820.80/x - Step 3: Cross multiply
10,457,850.88x = 15,682,318.08 × 3,979,820.80 - Step 4: Simplify right side
10,457,850.88x = 62,412,815,687,000.06 - Step 5: Solve for x
x = 62,412,815,687,000.06/10,457,850.88 - Step 6: Final answer
x = 5,968,034.58
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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.