Finding the Fourth Proportional to 11,175,071.34, 15,421,652.49 and 6,529,121.54
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Solution
The fourth proportional to 11,175,071.34, 15,421,652.49 and 6,529,121.54 is: 9,010,219.29
Step by Step Solution
- Step 1: Write the proportion equation
11,175,071.34 : 15,421,652.49 = 6,529,121.54 : x - Step 2: Convert to fraction form
11,175,071.34/15,421,652.49 = 6,529,121.54/x - Step 3: Cross multiply
11,175,071.34x = 15,421,652.49 × 6,529,121.54 - Step 4: Simplify right side
11,175,071.34x = 100,689,843,345,099.77 - Step 5: Solve for x
x = 100,689,843,345,099.77/11,175,071.34 - Step 6: Final answer
x = 9,010,219.29
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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.