Finding the Fourth Proportional to 16,057,887.35, 22,159,829.21 and 8,715,720.11
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Solution
The fourth proportional to 16,057,887.35, 22,159,829.21 and 8,715,720.11 is: 12,027,663.72
Step by Step Solution
- Step 1: Write the proportion equation
16,057,887.35 : 22,159,829.21 = 8,715,720.11 : x - Step 2: Convert to fraction form
16,057,887.35/22,159,829.21 = 8,715,720.11/x - Step 3: Cross multiply
16,057,887.35x = 22,159,829.21 × 8,715,720.11 - Step 4: Simplify right side
16,057,887.35x = 193,138,868,985,768.38 - Step 5: Solve for x
x = 193,138,868,985,768.38/16,057,887.35 - Step 6: Final answer
x = 12,027,663.72
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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.