Finding the Fourth Proportional to 11,177,450.70, 16,766,176.05 and 10,516,101.90
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Solution
The fourth proportional to 11,177,450.70, 16,766,176.05 and 10,516,101.90 is: 15,774,152.85
Step by Step Solution
- Step 1: Write the proportion equation
11,177,450.70 : 16,766,176.05 = 10,516,101.90 : x - Step 2: Convert to fraction form
11,177,450.70/16,766,176.05 = 10,516,101.90/x - Step 3: Cross multiply
11,177,450.70x = 16,766,176.05 × 10,516,101.90 - Step 4: Simplify right side
11,177,450.70x = 176,314,815,815,139.50 - Step 5: Solve for x
x = 176,314,815,815,139.50/11,177,450.70 - Step 6: Final answer
x = 15,774,152.85
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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.