Finding the Fourth Proportional to 7,695,739.68, 10,619,956.74 and 4,211,064.12
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Solution
The fourth proportional to 7,695,739.68, 10,619,956.74 and 4,211,064.12 is: 5,811,178.74
Step by Step Solution
- Step 1: Write the proportion equation
7,695,739.68 : 10,619,956.74 = 4,211,064.12 : x - Step 2: Convert to fraction form
7,695,739.68/10,619,956.74 = 4,211,064.12/x - Step 3: Cross multiply
7,695,739.68x = 10,619,956.74 × 4,211,064.12 - Step 4: Simplify right side
7,695,739.68x = 44,721,318,783,766.17 - Step 5: Solve for x
x = 44,721,318,783,766.17/7,695,739.68 - Step 6: Final answer
x = 5,811,178.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.