Finding the Fourth Proportional to 10,719,180.36, 14,790,803.72 and 6,368,154.84
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Solution
The fourth proportional to 10,719,180.36, 14,790,803.72 and 6,368,154.84 is: 8,787,064.41
Step by Step Solution
- Step 1: Write the proportion equation
10,719,180.36 : 14,790,803.72 = 6,368,154.84 : x - Step 2: Convert to fraction form
10,719,180.36/14,790,803.72 = 6,368,154.84/x - Step 3: Cross multiply
10,719,180.36x = 14,790,803.72 × 6,368,154.84 - Step 4: Simplify right side
10,719,180.36x = 94,190,128,265,167.23 - Step 5: Solve for x
x = 94,190,128,265,167.23/10,719,180.36 - Step 6: Final answer
x = 8,787,064.41
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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.