Finding the Fourth Proportional to 11,612,680.68, 16,024,591.50 and 6,455,728.20
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Solution
The fourth proportional to 11,612,680.68, 16,024,591.50 and 6,455,728.20 is: 8,908,400.23
Step by Step Solution
- Step 1: Write the proportion equation
11,612,680.68 : 16,024,591.50 = 6,455,728.20 : x - Step 2: Convert to fraction form
11,612,680.68/16,024,591.50 = 6,455,728.20/x - Step 3: Cross multiply
11,612,680.68x = 16,024,591.50 × 6,455,728.20 - Step 4: Simplify right side
11,612,680.68x = 103,450,407,240,030.30 - Step 5: Solve for x
x = 103,450,407,240,030.30/11,612,680.68 - Step 6: Final answer
x = 8,908,400.23
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.