Finding the Fourth Proportional to 7,457,474.96, 10,285,485.25 and 4,844,820.84
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Solution
The fourth proportional to 7,457,474.96, 10,285,485.25 and 4,844,820.84 is: 6,682,065.12
Step by Step Solution
- Step 1: Write the proportion equation
7,457,474.96 : 10,285,485.25 = 4,844,820.84 : x - Step 2: Convert to fraction form
7,457,474.96/10,285,485.25 = 4,844,820.84/x - Step 3: Cross multiply
7,457,474.96x = 10,285,485.25 × 4,844,820.84 - Step 4: Simplify right side
7,457,474.96x = 49,831,333,288,712.61 - Step 5: Solve for x
x = 49,831,333,288,712.61/7,457,474.96 - Step 6: Final answer
x = 6,682,065.12
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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.