Finding the Fourth Proportional to 11,136,787.74, 15,368,800.19 and 6,175,578.59
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Solution
The fourth proportional to 11,136,787.74, 15,368,800.19 and 6,175,578.59 is: 8,522,316.81
Step by Step Solution
- Step 1: Write the proportion equation
11,136,787.74 : 15,368,800.19 = 6,175,578.59 : x - Step 2: Convert to fraction form
11,136,787.74/15,368,800.19 = 6,175,578.59/x - Step 3: Cross multiply
11,136,787.74x = 15,368,800.19 × 6,175,578.59 - Step 4: Simplify right side
11,136,787.74x = 94,911,233,414,896.05 - Step 5: Solve for x
x = 94,911,233,414,896.05/11,136,787.74 - Step 6: Final answer
x = 8,522,316.81
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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.