Finding the Fourth Proportional to 10,777,135.40, 16,165,703.10 and 8,863,947.80
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Solution
The fourth proportional to 10,777,135.40, 16,165,703.10 and 8,863,947.80 is: 13,295,921.70
Step by Step Solution
- Step 1: Write the proportion equation
10,777,135.40 : 16,165,703.10 = 8,863,947.80 : x - Step 2: Convert to fraction form
10,777,135.40/16,165,703.10 = 8,863,947.80/x - Step 3: Cross multiply
10,777,135.40x = 16,165,703.10 × 8,863,947.80 - Step 4: Simplify right side
10,777,135.40x = 143,291,948,428,698.19 - Step 5: Solve for x
x = 143,291,948,428,698.19/10,777,135.40 - Step 6: Final answer
x = 13,295,921.70
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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.