Finding the Fourth Proportional to 10,719,169.11, 14,790,788.19 and 6,368,143.59
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Solution
The fourth proportional to 10,719,169.11, 14,790,788.19 and 6,368,143.59 is: 8,787,048.89
Step by Step Solution
- Step 1: Write the proportion equation
10,719,169.11 : 14,790,788.19 = 6,368,143.59 : x - Step 2: Convert to fraction form
10,719,169.11/14,790,788.19 = 6,368,143.59/x - Step 3: Cross multiply
10,719,169.11x = 14,790,788.19 × 6,368,143.59 - Step 4: Simplify right side
10,719,169.11x = 94,189,863,003,196.20 - Step 5: Solve for x
x = 94,189,863,003,196.20/10,719,169.11 - Step 6: Final answer
x = 8,787,048.89
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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.