Finding the Fourth Proportional to 8,857,753.18, 12,221,151.69 and 5,764,829.74
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Solution
The fourth proportional to 8,857,753.18, 12,221,151.69 and 5,764,829.74 is: 7,953,806.94
Step by Step Solution
- Step 1: Write the proportion equation
8,857,753.18 : 12,221,151.69 = 5,764,829.74 : x - Step 2: Convert to fraction form
8,857,753.18/12,221,151.69 = 5,764,829.74/x - Step 3: Cross multiply
8,857,753.18x = 12,221,151.69 × 5,764,829.74 - Step 4: Simplify right side
8,857,753.18x = 70,452,858,719,563.27 - Step 5: Solve for x
x = 70,452,858,719,563.27/8,857,753.18 - Step 6: Final answer
x = 7,953,806.94
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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.