Finding the Fourth Proportional to 10,358,914.53, 14,298,059.04 and 6,119,198.66
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Solution
The fourth proportional to 10,358,914.53, 14,298,059.04 and 6,119,198.66 is: 8,446,122.75
Step by Step Solution
- Step 1: Write the proportion equation
10,358,914.53 : 14,298,059.04 = 6,119,198.66 : x - Step 2: Convert to fraction form
10,358,914.53/14,298,059.04 = 6,119,198.66/x - Step 3: Cross multiply
10,358,914.53x = 14,298,059.04 × 6,119,198.66 - Step 4: Simplify right side
10,358,914.53x = 87,492,663,646,678.59 - Step 5: Solve for x
x = 87,492,663,646,678.59/10,358,914.53 - Step 6: Final answer
x = 8,446,122.75
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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.