Finding the Fourth Proportional to 11,277,771.18, 15,563,335.74 and 6,121,133.79
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Solution
The fourth proportional to 11,277,771.18, 15,563,335.74 and 6,121,133.79 is: 8,447,170.88
Step by Step Solution
- Step 1: Write the proportion equation
11,277,771.18 : 15,563,335.74 = 6,121,133.79 : x - Step 2: Convert to fraction form
11,277,771.18/15,563,335.74 = 6,121,133.79/x - Step 3: Cross multiply
11,277,771.18x = 15,563,335.74 × 6,121,133.79 - Step 4: Simplify right side
11,277,771.18x = 95,265,260,283,228.66 - Step 5: Solve for x
x = 95,265,260,283,228.66/11,277,771.18 - Step 6: Final answer
x = 8,447,170.88
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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.