Finding the Fourth Proportional to 11,509,985.12, 17,261,239.84 and 3,831,567.44
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Solution
The fourth proportional to 11,509,985.12, 17,261,239.84 and 3,831,567.44 is: 5,746,106.87
Step by Step Solution
- Step 1: Write the proportion equation
11,509,985.12 : 17,261,239.84 = 3,831,567.44 : x - Step 2: Convert to fraction form
11,509,985.12/17,261,239.84 = 3,831,567.44/x - Step 3: Cross multiply
11,509,985.12x = 17,261,239.84 × 3,831,567.44 - Step 4: Simplify right side
11,509,985.12x = 66,137,604,544,974.80 - Step 5: Solve for x
x = 66,137,604,544,974.80/11,509,985.12 - Step 6: Final answer
x = 5,746,106.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.