Finding the Fourth Proportional to 10,719,181.36, 14,790,805.09 and 6,368,155.84
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Solution
The fourth proportional to 10,719,181.36, 14,790,805.09 and 6,368,155.84 is: 8,787,065.79
Step by Step Solution
- Step 1: Write the proportion equation
10,719,181.36 : 14,790,805.09 = 6,368,155.84 : x - Step 2: Convert to fraction form
10,719,181.36/14,790,805.09 = 6,368,155.84/x - Step 3: Cross multiply
10,719,181.36x = 14,790,805.09 × 6,368,155.84 - Step 4: Simplify right side
10,719,181.36x = 94,190,151,812,185.22 - Step 5: Solve for x
x = 94,190,151,812,185.22/10,719,181.36 - Step 6: Final answer
x = 8,787,065.79
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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.