Finding the Fourth Proportional to 7,711,311.36, 10,642,224 and 4,273,881.60
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Solution
The fourth proportional to 7,711,311.36, 10,642,224 and 4,273,881.60 is: 5,898,297.09
Step by Step Solution
- Step 1: Write the proportion equation
7,711,311.36 : 10,642,224 = 4,273,881.60 : x - Step 2: Convert to fraction form
7,711,311.36/10,642,224 = 4,273,881.60/x - Step 3: Cross multiply
7,711,311.36x = 10,642,224 × 4,273,881.60 - Step 4: Simplify right side
7,711,311.36x = 45,483,605,336,678.40 - Step 5: Solve for x
x = 45,483,605,336,678.40/7,711,311.36 - Step 6: Final answer
x = 5,898,297.09
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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.