Finding the Fourth Proportional to 11,373,998.20, 15,692,285.01 and 6,475,754.49
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Solution
The fourth proportional to 11,373,998.20, 15,692,285.01 and 6,475,754.49 is: 8,934,359.17
Step by Step Solution
- Step 1: Write the proportion equation
11,373,998.20 : 15,692,285.01 = 6,475,754.49 : x - Step 2: Convert to fraction form
11,373,998.20/15,692,285.01 = 6,475,754.49/x - Step 3: Cross multiply
11,373,998.20x = 15,692,285.01 × 6,475,754.49 - Step 4: Simplify right side
11,373,998.20x = 101,619,385,077,305.20 - Step 5: Solve for x
x = 101,619,385,077,305.20/11,373,998.20 - Step 6: Final answer
x = 8,934,359.17
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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.