Finding the Fourth Proportional to 16,319,625.68, 22,520,958.88 and 8,977,300.72
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Solution
The fourth proportional to 16,319,625.68, 22,520,958.88 and 8,977,300.72 is: 12,388,606.47
Step by Step Solution
- Step 1: Write the proportion equation
16,319,625.68 : 22,520,958.88 = 8,977,300.72 : x - Step 2: Convert to fraction form
16,319,625.68/22,520,958.88 = 8,977,300.72/x - Step 3: Cross multiply
16,319,625.68x = 22,520,958.88 × 8,977,300.72 - Step 4: Simplify right side
16,319,625.68x = 202,177,420,368,514.41 - Step 5: Solve for x
x = 202,177,420,368,514.41/16,319,625.68 - Step 6: Final answer
x = 12,388,606.47
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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.