Finding the Fourth Proportional to 11,071,003.05, 15,277,990.79 and 6,176,225.13
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Solution
The fourth proportional to 11,071,003.05, 15,277,990.79 and 6,176,225.13 is: 8,523,194.35
Step by Step Solution
- Step 1: Write the proportion equation
11,071,003.05 : 15,277,990.79 = 6,176,225.13 : x - Step 2: Convert to fraction form
11,071,003.05/15,277,990.79 = 6,176,225.13/x - Step 3: Cross multiply
11,071,003.05x = 15,277,990.79 × 6,176,225.13 - Step 4: Simplify right side
11,071,003.05x = 94,360,310,653,106.55 - Step 5: Solve for x
x = 94,360,310,653,106.55/11,071,003.05 - Step 6: Final answer
x = 8,523,194.35
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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.