Finding the Fourth Proportional to 14,284,553.68, 19,712,826.36 and 7,758,310.56
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Solution
The fourth proportional to 14,284,553.68, 19,712,826.36 and 7,758,310.56 is: 10,706,545.85
Step by Step Solution
- Step 1: Write the proportion equation
14,284,553.68 : 19,712,826.36 = 7,758,310.56 : x - Step 2: Convert to fraction form
14,284,553.68/19,712,826.36 = 7,758,310.56/x - Step 3: Cross multiply
14,284,553.68x = 19,712,826.36 × 7,758,310.56 - Step 4: Simplify right side
14,284,553.68x = 152,938,228,916,234.34 - Step 5: Solve for x
x = 152,938,228,916,234.34/14,284,553.68 - Step 6: Final answer
x = 10,706,545.85
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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.