Finding the Fourth Proportional to 8,493,358.49, 11,720,114.73 and 4,771,898.13
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Solution
The fourth proportional to 8,493,358.49, 11,720,114.73 and 4,771,898.13 is: 6,584,814.91
Step by Step Solution
- Step 1: Write the proportion equation
8,493,358.49 : 11,720,114.73 = 4,771,898.13 : x - Step 2: Convert to fraction form
8,493,358.49/11,720,114.73 = 4,771,898.13/x - Step 3: Cross multiply
8,493,358.49x = 11,720,114.73 × 4,771,898.13 - Step 4: Simplify right side
8,493,358.49x = 55,927,193,563,472.45 - Step 5: Solve for x
x = 55,927,193,563,472.45/8,493,358.49 - Step 6: Final answer
x = 6,584,814.91
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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.