Finding the Fourth Proportional to 14,273,691.96, 19,697,645.68 and 7,747,321.08
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Solution
The fourth proportional to 14,273,691.96, 19,697,645.68 and 7,747,321.08 is: 10,691,276.37
Step by Step Solution
- Step 1: Write the proportion equation
14,273,691.96 : 19,697,645.68 = 7,747,321.08 : x - Step 2: Convert to fraction form
14,273,691.96/19,697,645.68 = 7,747,321.08/x - Step 3: Cross multiply
14,273,691.96x = 19,697,645.68 × 7,747,321.08 - Step 4: Simplify right side
14,273,691.96x = 152,603,985,603,034.94 - Step 5: Solve for x
x = 152,603,985,603,034.94/14,273,691.96 - Step 6: Final answer
x = 10,691,276.37
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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.