Finding the Fourth Proportional to 15,716,906.98, 23,579,283.99 and 5,481,913.80
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Solution
The fourth proportional to 15,716,906.98, 23,579,283.99 and 5,481,913.80 is: 8,224,239.19
Step by Step Solution
- Step 1: Write the proportion equation
15,716,906.98 : 23,579,283.99 = 5,481,913.80 : x - Step 2: Convert to fraction form
15,716,906.98/23,579,283.99 = 5,481,913.80/x - Step 3: Cross multiply
15,716,906.98x = 23,579,283.99 × 5,481,913.80 - Step 4: Simplify right side
15,716,906.98x = 129,259,602,298,900.05 - Step 5: Solve for x
x = 129,259,602,298,900.05/15,716,906.98 - Step 6: Final answer
x = 8,224,239.19
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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.