Finding the Fourth Proportional to 10,800,921.70, 16,201,398.95 and 4,411,174.06
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Solution
The fourth proportional to 10,800,921.70, 16,201,398.95 and 4,411,174.06 is: 6,616,767.79
Step by Step Solution
- Step 1: Write the proportion equation
10,800,921.70 : 16,201,398.95 = 4,411,174.06 : x - Step 2: Convert to fraction form
10,800,921.70/16,201,398.95 = 4,411,174.06/x - Step 3: Cross multiply
10,800,921.70x = 16,201,398.95 × 4,411,174.06 - Step 4: Simplify right side
10,800,921.70x = 71,467,190,783,951.23 - Step 5: Solve for x
x = 71,467,190,783,951.23/10,800,921.70 - Step 6: Final answer
x = 6,616,767.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.