Finding the Fourth Proportional to 7,771,216.86, 11,649,768.54 and 2,719,771.74
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Solution
The fourth proportional to 7,771,216.86, 11,649,768.54 and 2,719,771.74 is: 4,077,187.89
Step by Step Solution
- Step 1: Write the proportion equation
7,771,216.86 : 11,649,768.54 = 2,719,771.74 : x - Step 2: Convert to fraction form
7,771,216.86/11,649,768.54 = 2,719,771.74/x - Step 3: Cross multiply
7,771,216.86x = 11,649,768.54 × 2,719,771.74 - Step 4: Simplify right side
7,771,216.86x = 31,684,711,252,633.06 - Step 5: Solve for x
x = 31,684,711,252,633.06/7,771,216.86 - Step 6: Final answer
x = 4,077,187.89
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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.