Finding the Fourth Proportional to 11,141,215.12, 15,377,611.84 and 6,792,699.12
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Solution
The fourth proportional to 11,141,215.12, 15,377,611.84 and 6,792,699.12 is: 9,375,592.28
Step by Step Solution
- Step 1: Write the proportion equation
11,141,215.12 : 15,377,611.84 = 6,792,699.12 : x - Step 2: Convert to fraction form
11,141,215.12/15,377,611.84 = 6,792,699.12/x - Step 3: Cross multiply
11,141,215.12x = 15,377,611.84 × 6,792,699.12 - Step 4: Simplify right side
11,141,215.12x = 104,455,490,413,269.58 - Step 5: Solve for x
x = 104,455,490,413,269.58/11,141,215.12 - Step 6: Final answer
x = 9,375,592.28
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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.