Finding the Fourth Proportional to 38,914,093.84, 53,701,557.74 and 21,273,209.56
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Solution
The fourth proportional to 38,914,093.84, 53,701,557.74 and 21,273,209.56 is: 29,357,088.36
Step by Step Solution
- Step 1: Write the proportion equation
38,914,093.84 : 53,701,557.74 = 21,273,209.56 : x - Step 2: Convert to fraction form
38,914,093.84/53,701,557.74 = 21,273,209.56/x - Step 3: Cross multiply
38,914,093.84x = 53,701,557.74 × 21,273,209.56 - Step 4: Simplify right side
38,914,093.84x = 1,142,404,491,438,828.25 - Step 5: Solve for x
x = 1,142,404,491,438,828.25/38,914,093.84 - Step 6: Final answer
x = 29,357,088.36
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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.