Finding the Fourth Proportional to 11,277,774.93, 15,563,340.92 and 6,121,137.54
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Solution
The fourth proportional to 11,277,774.93, 15,563,340.92 and 6,121,137.54 is: 8,447,176.06
Step by Step Solution
- Step 1: Write the proportion equation
11,277,774.93 : 15,563,340.92 = 6,121,137.54 : x - Step 2: Convert to fraction form
11,277,774.93/15,563,340.92 = 6,121,137.54/x - Step 3: Cross multiply
11,277,774.93x = 15,563,340.92 × 6,121,137.54 - Step 4: Simplify right side
11,277,774.93x = 95,265,350,353,230.14 - Step 5: Solve for x
x = 95,265,350,353,230.14/11,277,774.93 - Step 6: Final answer
x = 8,447,176.06
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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.