Finding the Fourth Proportional to 7,831,320.84, 11,758,512.63 and 4,379,822.79
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Solution
The fourth proportional to 7,831,320.84, 11,758,512.63 and 4,379,822.79 is: 6,576,183.33
Step by Step Solution
- Step 1: Write the proportion equation
7,831,320.84 : 11,758,512.63 = 4,379,822.79 : x - Step 2: Convert to fraction form
7,831,320.84/11,758,512.63 = 4,379,822.79/x - Step 3: Cross multiply
7,831,320.84x = 11,758,512.63 × 4,379,822.79 - Step 4: Simplify right side
7,831,320.84x = 51,500,201,593,376.84 - Step 5: Solve for x
x = 51,500,201,593,376.84/7,831,320.84 - Step 6: Final answer
x = 6,576,183.33
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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.