Finding the Fourth Proportional to 38,743,718.14, 53,466,326.24 and 21,340,063.36
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Solution
The fourth proportional to 38,743,718.14, 53,466,326.24 and 21,340,063.36 is: 29,449,284.80
Step by Step Solution
- Step 1: Write the proportion equation
38,743,718.14 : 53,466,326.24 = 21,340,063.36 : x - Step 2: Convert to fraction form
38,743,718.14/53,466,326.24 = 21,340,063.36/x - Step 3: Cross multiply
38,743,718.14x = 53,466,326.24 × 21,340,063.36 - Step 4: Simplify right side
38,743,718.14x = 1,140,974,789,614,996 - Step 5: Solve for x
x = 1,140,974,789,614,996/38,743,718.14 - Step 6: Final answer
x = 29,449,284.80
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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.