Finding the Fourth Proportional to 10,927,181.70, 16,390,772.55 and 3,353,163.30
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Solution
The fourth proportional to 10,927,181.70, 16,390,772.55 and 3,353,163.30 is: 5,029,744.95
Step by Step Solution
- Step 1: Write the proportion equation
10,927,181.70 : 16,390,772.55 = 3,353,163.30 : x - Step 2: Convert to fraction form
10,927,181.70/16,390,772.55 = 3,353,163.30/x - Step 3: Cross multiply
10,927,181.70x = 16,390,772.55 × 3,353,163.30 - Step 4: Simplify right side
10,927,181.70x = 54,960,936,973,307.41 - Step 5: Solve for x
x = 54,960,936,973,307.41/10,927,181.70 - Step 6: Final answer
x = 5,029,744.95
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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.