Finding the Fourth Proportional to 11,175,070.84, 15,421,651.80 and 6,529,121.03
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Solution
The fourth proportional to 11,175,070.84, 15,421,651.80 and 6,529,121.03 is: 9,010,218.60
Step by Step Solution
- Step 1: Write the proportion equation
11,175,070.84 : 15,421,651.80 = 6,529,121.03 : x - Step 2: Convert to fraction form
11,175,070.84/15,421,651.80 = 6,529,121.03/x - Step 3: Cross multiply
11,175,070.84x = 15,421,651.80 × 6,529,121.03 - Step 4: Simplify right side
11,175,070.84x = 100,689,831,098,787.28 - Step 5: Solve for x
x = 100,689,831,098,787.28/11,175,070.84 - Step 6: Final answer
x = 9,010,218.60
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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.