Finding the Fourth Proportional to 11,050,449.47, 15,247,595.89 and 6,155,549.75
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Solution
The fourth proportional to 11,050,449.47, 15,247,595.89 and 6,155,549.75 is: 8,493,530.99
Step by Step Solution
- Step 1: Write the proportion equation
11,050,449.47 : 15,247,595.89 = 6,155,549.75 : x - Step 2: Convert to fraction form
11,050,449.47/15,247,595.89 = 6,155,549.75/x - Step 3: Cross multiply
11,050,449.47x = 15,247,595.89 × 6,155,549.75 - Step 4: Simplify right side
11,050,449.47x = 93,857,335,068,790.53 - Step 5: Solve for x
x = 93,857,335,068,790.53/11,050,449.47 - Step 6: Final answer
x = 8,493,530.99
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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.