Finding the Fourth Proportional to 11,235,103.80, 16,852,655.70 and 8,995,615.80
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Solution
The fourth proportional to 11,235,103.80, 16,852,655.70 and 8,995,615.80 is: 13,493,423.70
Step by Step Solution
- Step 1: Write the proportion equation
11,235,103.80 : 16,852,655.70 = 8,995,615.80 : x - Step 2: Convert to fraction form
11,235,103.80/16,852,655.70 = 8,995,615.80/x - Step 3: Cross multiply
11,235,103.80x = 16,852,655.70 × 8,995,615.80 - Step 4: Simplify right side
11,235,103.80x = 151,600,015,886,880.06 - Step 5: Solve for x
x = 151,600,015,886,880.06/11,235,103.80 - Step 6: Final answer
x = 13,493,423.70
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1.5x scale
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.