Finding the Fourth Proportional to 16,057,993.64, 22,159,437.54 and 8,715,668.99
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Solution
The fourth proportional to 16,057,993.64, 22,159,437.54 and 8,715,668.99 is: 12,027,300.98
Step by Step Solution
- Step 1: Write the proportion equation
16,057,993.64 : 22,159,437.54 = 8,715,668.99 : x - Step 2: Convert to fraction form
16,057,993.64/22,159,437.54 = 8,715,668.99/x - Step 3: Cross multiply
16,057,993.64x = 22,159,437.54 × 8,715,668.99 - Step 4: Simplify right side
16,057,993.64x = 193,134,322,603,219.88 - Step 5: Solve for x
x = 193,134,322,603,219.88/16,057,993.64 - Step 6: Final answer
x = 12,027,300.98
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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.