Finding the Fourth Proportional to 14,354,021.76, 19,808,108.52 and 8,159,745.12
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Solution
The fourth proportional to 14,354,021.76, 19,808,108.52 and 8,159,745.12 is: 11,260,197.28
Step by Step Solution
- Step 1: Write the proportion equation
14,354,021.76 : 19,808,108.52 = 8,159,745.12 : x - Step 2: Convert to fraction form
14,354,021.76/19,808,108.52 = 8,159,745.12/x - Step 3: Cross multiply
14,354,021.76x = 19,808,108.52 × 8,159,745.12 - Step 4: Simplify right side
14,354,021.76x = 161,629,116,832,500.41 - Step 5: Solve for x
x = 161,629,116,832,500.41/14,354,021.76 - Step 6: Final answer
x = 11,260,197.28
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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.