Finding the Fourth Proportional to 21,220,056, 29,283,677.58 and 11,562,264
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Solution
The fourth proportional to 21,220,056, 29,283,677.58 and 11,562,264 is: 15,955,924.49
Step by Step Solution
- Step 1: Write the proportion equation
21,220,056 : 29,283,677.58 = 11,562,264 : x - Step 2: Convert to fraction form
21,220,056/29,283,677.58 = 11,562,264/x - Step 3: Cross multiply
21,220,056x = 29,283,677.58 × 11,562,264 - Step 4: Simplify right side
21,220,056x = 338,585,611,114,199.56 - Step 5: Solve for x
x = 338,585,611,114,199.56/21,220,056 - Step 6: Final answer
x = 15,955,924.49
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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.