Finding the Fourth Proportional to 18,432,738.30, 27,649,107.45 and 5,655,215.10
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Solution
The fourth proportional to 18,432,738.30, 27,649,107.45 and 5,655,215.10 is: 8,482,822.65
Step by Step Solution
- Step 1: Write the proportion equation
18,432,738.30 : 27,649,107.45 = 5,655,215.10 : x - Step 2: Convert to fraction form
18,432,738.30/27,649,107.45 = 5,655,215.10/x - Step 3: Cross multiply
18,432,738.30x = 27,649,107.45 × 5,655,215.10 - Step 4: Simplify right side
18,432,738.30x = 156,361,649,952,762.47 - Step 5: Solve for x
x = 156,361,649,952,762.47/18,432,738.30 - Step 6: Final answer
x = 8,482,822.65
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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.