Finding the Fourth Proportional to 11,762,815.10, 17,620,603.05 and 6,708,220.70
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Solution
The fourth proportional to 11,762,815.10, 17,620,603.05 and 6,708,220.70 is: 10,048,861.02
Step by Step Solution
- Step 1: Write the proportion equation
11,762,815.10 : 17,620,603.05 = 6,708,220.70 : x - Step 2: Convert to fraction form
11,762,815.10/17,620,603.05 = 6,708,220.70/x - Step 3: Cross multiply
11,762,815.10x = 17,620,603.05 × 6,708,220.70 - Step 4: Simplify right side
11,762,815.10x = 118,202,894,126,493.14 - Step 5: Solve for x
x = 118,202,894,126,493.14/11,762,815.10 - Step 6: Final answer
x = 10,048,861.02
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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.