Finding the Fourth Proportional to 19,950,402.29, 29,936,814.50 and 10,853,136.56
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Solution
The fourth proportional to 19,950,402.29, 29,936,814.50 and 10,853,136.56 is: 16,285,803.73
Step by Step Solution
- Step 1: Write the proportion equation
19,950,402.29 : 29,936,814.50 = 10,853,136.56 : x - Step 2: Convert to fraction form
19,950,402.29/29,936,814.50 = 10,853,136.56/x - Step 3: Cross multiply
19,950,402.29x = 29,936,814.50 × 10,853,136.56 - Step 4: Simplify right side
19,950,402.29x = 324,908,336,041,863 - Step 5: Solve for x
x = 324,908,336,041,863/19,950,402.29 - Step 6: Final answer
x = 16,285,803.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.